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[dmenu] patch: center

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This commit is contained in:
dogeystamp 2024-01-02 13:18:40 -05:00
parent 369bcafd08
commit 0c01ceb4e9
3 changed files with 37 additions and 6 deletions
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2
suckless/dmenu/config.def.h
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@ -3,6 +3,8 @@
static int instant = 0;
static int topbar = 1; /* -b option; if 0, dmenu appears at bottom */
static int centered = 0; /* -c option; centers dmenu on screen */
static int min_width = 500; /* minimum width when centered */
static const unsigned int alpha = 0xff; /* Amount of opacity. 0xff is opaque */
/* -fn option overrides fonts[0]; default X11 font or font set */
static const char *fonts[] = {

3
suckless/dmenu/dmenu.1
View File

@ -40,6 +40,9 @@ which lists programs in the user's $PATH and runs the result in their $SHELL.
.B \-b
dmenu appears at the bottom of the screen.
.TP
.B \-c
dmenu appears centered on the screen.
.TP
.B \-f
dmenu grabs the keyboard before reading stdin if not reading from a tty. This
is faster, but will lock up X until stdin reaches end\-of\-file.

38
suckless/dmenu/dmenu.c
View File

@ -105,6 +105,15 @@ calcoffsets(void)
break;
}
static int
max_textw(void)
{
int len = 0;
for (struct item *item = items; item && item->text; item++)
len = MAX(TEXTW(item->text), len);
return len;
}
static void
cleanup(void)
{
@ -653,6 +662,7 @@ setup(void)
bh = drw->fonts->h + 2;
lines = MAX(lines, 0);
mh = (lines + 1) * bh;
promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
#ifdef XINERAMA
i = 0;
if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
@ -679,9 +689,16 @@ setup(void)
if (INTERSECT(x, y, 1, 1, info[i]) != 0)
break;
x = info[i].x_org;
y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
mw = info[i].width;
if (centered) {
mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width);
x = info[i].x_org + ((info[i].width - mw) / 2);
y = info[i].y_org + ((info[i].height - mh) / 2);
} else {
x = info[i].x_org;
y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
mw = info[i].width;
}
XFree(info);
} else
#endif
@ -689,9 +706,16 @@ setup(void)
if (!XGetWindowAttributes(dpy, parentwin, &wa))
die("could not get embedding window attributes: 0x%lx",
parentwin);
x = 0;
y = topbar ? 0 : wa.height - mh;
mw = wa.width;
if (centered) {
mw = MIN(MAX(max_textw() + promptw, min_width), wa.width);
x = (wa.width - mw) / 2;
y = (wa.height - mh) / 2;
} else {
x = 0;
y = topbar ? 0 : wa.height - mh;
mw = wa.width;
}
}
promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
inputw = mw / 3; /* input width: ~33% of monitor width */
@ -753,6 +777,8 @@ main(int argc, char *argv[])
topbar = 0;
else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
fast = 1;
else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */
centered = 1;
else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
fstrncmp = strncasecmp;
fstrstr = cistrstr;