initial commit

1 files changed, 153 insertions, 0 deletions

diff --git a/st-blinking_cursor-20211116-2f6e597.diff b/st-blinking_cursor-20211116-2f6e597.diff
new file mode 100644
index 0000000..91c871a
--- /dev/null
+++ b/st-blinking_cursor-20211116-2f6e597.diff
@@ -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
+