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blinking cursor patch

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Jakub 2022-12-21 00:24:23 -05:00
parent 6497cba4a7
commit d74b722fc2
3 changed files with 201 additions and 18 deletions
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19
config.def.h
View File

@ -138,13 +138,20 @@ unsigned int defaultcs = 256;
static unsigned int defaultrcs = 257; static unsigned int defaultrcs = 257;
/* /*
* Default shape of cursor * https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h4-Functions-using-CSI-_-ordered-by-the-final-character-lparen-s-rparen:CSI-Ps-SP-q.1D81
* 2: Block ("█") * Default style of cursor
* 4: Underline ("_") * 0: blinking block
* 6: Bar ("|") * 1: blinking block (default)
* 7: Snowman ("☃") * 2: steady block ("█")
* 3: blinking underline
* 4: steady underline ("_")
* 5: blinking bar
* 6: steady bar ("|")
* 7: blinking st cursor
* 8: steady st cursor
*/ */
static unsigned int cursorshape = 2; static unsigned int cursorstyle = 1;
static Rune stcursor = 0x2603; /* snowman ("☃") */
/* /*
* Default columns and rows numbers * Default columns and rows numbers

153
patches/st-blinking_cursor-20211116-2f6e597.diff Normal file
View File

@ -0,0 +1,153 @@
From a3cdd0753bf578cd4e6db7c6507481f3b5c38aea Mon Sep 17 00:00:00 2001
From: Steve Ward <planet36@gmail.com>
Date: Tue, 16 Nov 2021 14:15:06 -0500
Subject: [PATCH] Allow blinking cursor
---
config.def.h | 19 +++++++++++++------
x.c | 47 +++++++++++++++++++++++++++++++++++------------
2 files changed, 48 insertions(+), 18 deletions(-)
diff --git a/config.def.h b/config.def.h
index 6f05dce..1a5fed0 100644
--- a/config.def.h
+++ b/config.def.h
@@ -133,13 +133,20 @@ static unsigned int defaultcs = 256;
static unsigned int defaultrcs = 257;
/*
- * Default shape of cursor
- * 2: Block ("█")
- * 4: Underline ("_")
- * 6: Bar ("|")
- * 7: Snowman ("☃")
+ * https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h4-Functions-using-CSI-_-ordered-by-the-final-character-lparen-s-rparen:CSI-Ps-SP-q.1D81
+ * Default style of cursor
+ * 0: blinking block
+ * 1: blinking block (default)
+ * 2: steady block ("█")
+ * 3: blinking underline
+ * 4: steady underline ("_")
+ * 5: blinking bar
+ * 6: steady bar ("|")
+ * 7: blinking st cursor
+ * 8: steady st cursor
*/
-static unsigned int cursorshape = 2;
+static unsigned int cursorstyle = 1;
+static Rune stcursor = 0x2603; /* snowman ("☃") */
/*
* Default columns and rows numbers
diff --git a/x.c b/x.c
index 89786b8..7d2447d 100644
--- a/x.c
+++ b/x.c
@@ -253,6 +253,7 @@ static char *opt_name = NULL;
static char *opt_title = NULL;
static int oldbutton = 3; /* button event on startup: 3 = release */
+static int cursorblinks = 0;
void
clipcopy(const Arg *dummy)
@@ -1529,29 +1530,44 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
/* draw the new one */
if (IS_SET(MODE_FOCUSED)) {
switch (win.cursor) {
- case 7: /* st extension */
- g.u = 0x2603; /* snowman (U+2603) */
+ default:
+ case 0: /* blinking block */
+ case 1: /* blinking block (default) */
+ if (IS_SET(MODE_BLINK))
+ break;
/* FALLTHROUGH */
- case 0: /* Blinking Block */
- case 1: /* Blinking Block (Default) */
- case 2: /* Steady Block */
+ case 2: /* steady block */
xdrawglyph(g, cx, cy);
break;
- case 3: /* Blinking Underline */
- case 4: /* Steady Underline */
+ case 3: /* blinking underline */
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ case 4: /* steady underline */
XftDrawRect(xw.draw, &drawcol,
borderpx + cx * win.cw,
borderpx + (cy + 1) * win.ch - \
cursorthickness,
win.cw, cursorthickness);
break;
- case 5: /* Blinking bar */
- case 6: /* Steady bar */
+ case 5: /* blinking bar */
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ case 6: /* steady bar */
XftDrawRect(xw.draw, &drawcol,
borderpx + cx * win.cw,
borderpx + cy * win.ch,
cursorthickness, win.ch);
break;
+ case 7: /* blinking st cursor */
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ case 8: /* steady st cursor */
+ g.u = stcursor;
+ xdrawglyph(g, cx, cy);
+ break;
}
} else {
XftDrawRect(xw.draw, &drawcol,
@@ -1708,9 +1724,12 @@ xsetmode(int set, unsigned int flags)
int
xsetcursor(int cursor)
{
- if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */
+ if (!BETWEEN(cursor, 0, 8)) /* 7-8: st extensions */
return 1;
win.cursor = cursor;
+ cursorblinks = win.cursor == 0 || win.cursor == 1 ||
+ win.cursor == 3 || win.cursor == 5 ||
+ win.cursor == 7;
return 0;
}
@@ -1954,6 +1973,10 @@ run(void)
if (FD_ISSET(ttyfd, &rfd) || xev) {
if (!drawing) {
trigger = now;
+ if (IS_SET(MODE_BLINK)) {
+ win.mode ^= MODE_BLINK;
+ }
+ lastblink = now;
drawing = 1;
}
timeout = (maxlatency - TIMEDIFF(now, trigger)) \
@@ -1964,7 +1987,7 @@ run(void)
/* idle detected or maxlatency exhausted -> draw */
timeout = -1;
- if (blinktimeout && tattrset(ATTR_BLINK)) {
+ if (blinktimeout && (cursorblinks || tattrset(ATTR_BLINK))) {
timeout = blinktimeout - TIMEDIFF(now, lastblink);
if (timeout <= 0) {
if (-timeout > blinktimeout) /* start visible */
@@ -2000,7 +2023,7 @@ main(int argc, char *argv[])
{
xw.l = xw.t = 0;
xw.isfixed = False;
- xsetcursor(cursorshape);
+ xsetcursor(cursorstyle);
ARGBEGIN {
case 'a':
--
2.34.0

47
x.c
View File

@ -256,6 +256,7 @@ static char *opt_name = NULL;
static char *opt_title = NULL; static char *opt_title = NULL;
static uint buttons; /* bit field of pressed buttons */ static uint buttons; /* bit field of pressed buttons */
static int cursorblinks = 0;
void void
clipcopy(const Arg *dummy) clipcopy(const Arg *dummy)
@ -1575,29 +1576,44 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
/* draw the new one */ /* draw the new one */
if (IS_SET(MODE_FOCUSED)) { if (IS_SET(MODE_FOCUSED)) {
switch (win.cursor) { switch (win.cursor) {
case 7: /* st extension */ default:
g.u = 0x2603; /* snowman (U+2603) */ case 0: /* blinking block */
case 1: /* blinking block (default) */
if (IS_SET(MODE_BLINK))
break;
/* FALLTHROUGH */ /* FALLTHROUGH */
case 0: /* Blinking Block */ case 2: /* steady block */
case 1: /* Blinking Block (Default) */
case 2: /* Steady Block */
xdrawglyph(g, cx, cy); xdrawglyph(g, cx, cy);
break; break;
case 3: /* Blinking Underline */ case 3: /* blinking underline */
case 4: /* Steady Underline */ if (IS_SET(MODE_BLINK))
break;
/* FALLTHROUGH */
case 4: /* steady underline */
XftDrawRect(xw.draw, &drawcol, XftDrawRect(xw.draw, &drawcol,
win.hborderpx + cx * win.cw, win.hborderpx + cx * win.cw,
win.vborderpx + (cy + 1) * win.ch - \ win.vborderpx + (cy + 1) * win.ch - \
cursorthickness, cursorthickness,
win.cw, cursorthickness); win.cw, cursorthickness);
break; break;
case 5: /* Blinking bar */ case 5: /* blinking bar */
case 6: /* Steady bar */ if (IS_SET(MODE_BLINK))
break;
/* FALLTHROUGH */
case 6: /* steady bar */
XftDrawRect(xw.draw, &drawcol, XftDrawRect(xw.draw, &drawcol,
win.hborderpx + cx * win.cw, win.hborderpx + cx * win.cw,
win.vborderpx + cy * win.ch, win.vborderpx + cy * win.ch,
cursorthickness, win.ch); cursorthickness, win.ch);
break; break;
case 7: /* blinking st cursor */
if (IS_SET(MODE_BLINK))
break;
/* FALLTHROUGH */
case 8: /* steady st cursor */
g.u = stcursor;
xdrawglyph(g, cx, cy);
break;
} }
} else { } else {
XftDrawRect(xw.draw, &drawcol, XftDrawRect(xw.draw, &drawcol,
@ -1754,9 +1770,12 @@ xsetmode(int set, unsigned int flags)
int int
xsetcursor(int cursor) xsetcursor(int cursor)
{ {
if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */ if (!BETWEEN(cursor, 0, 8)) /* 7-8: st extensions */
return 1; return 1;
win.cursor = cursor; win.cursor = cursor;
cursorblinks = win.cursor == 0 || win.cursor == 1 ||
win.cursor == 3 || win.cursor == 5 ||
win.cursor == 7;
return 0; return 0;
} }
@ -2000,6 +2019,10 @@ run(void)
if (FD_ISSET(ttyfd, &rfd) || xev) { if (FD_ISSET(ttyfd, &rfd) || xev) {
if (!drawing) { if (!drawing) {
trigger = now; trigger = now;
if (IS_SET(MODE_BLINK)) {
win.mode ^= MODE_BLINK;
}
lastblink = now;
drawing = 1; drawing = 1;
} }
timeout = (maxlatency - TIMEDIFF(now, trigger)) \ timeout = (maxlatency - TIMEDIFF(now, trigger)) \
@ -2010,7 +2033,7 @@ run(void)
/* idle detected or maxlatency exhausted -> draw */ /* idle detected or maxlatency exhausted -> draw */
timeout = -1; timeout = -1;
if (blinktimeout && tattrset(ATTR_BLINK)) { if (blinktimeout && (cursorblinks || tattrset(ATTR_BLINK))) {
timeout = blinktimeout - TIMEDIFF(now, lastblink); timeout = blinktimeout - TIMEDIFF(now, lastblink);
if (timeout <= 0) { if (timeout <= 0) {
if (-timeout > blinktimeout) /* start visible */ if (-timeout > blinktimeout) /* start visible */
@ -2046,7 +2069,7 @@ main(int argc, char *argv[])
{ {
xw.l = xw.t = 0; xw.l = xw.t = 0;
xw.isfixed = False; xw.isfixed = False;
xsetcursor(cursorshape); xsetcursor(cursorstyle);
ARGBEGIN { ARGBEGIN {
case 'a': case 'a':