add blinking cursor

This commit is contained in:
Amolith 2021-02-09 01:34:45 -05:00
parent 2d235f50ed
commit f48b201cf0
Signed by: Amolith
GPG Key ID: 5548AD9930655715
2 changed files with 45 additions and 16 deletions

View File

@ -145,13 +145,20 @@ 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 (U+2603) */
/*
* Default columns and rows numbers

42
x.c
View File

@ -254,6 +254,7 @@ 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)
@ -1540,16 +1541,19 @@ 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) */
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 - \
@ -1557,12 +1561,23 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
win.cw, cursorthickness);
break;
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,
@ -1717,9 +1732,12 @@ 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;
}
@ -1963,6 +1981,10 @@ 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)) \
@ -1973,7 +1995,7 @@ 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 */
@ -2009,7 +2031,7 @@ main(int argc, char *argv[])
{
xw.l = xw.t = 0;
xw.isfixed = False;
xsetcursor(cursorshape);
xsetcursor(cursorstyle);
ARGBEGIN {
case 'a':