center patch

This commit is contained in:
Jakub 2023-01-04 14:13:56 -05:00
parent f0e723d67f
commit 53af40c244
4 changed files with 140 additions and 7 deletions

View File

@ -2,6 +2,8 @@
/* Default settings; can be overriden by command line. */ /* Default settings; can be overriden by command line. */
static int topbar = 1; /* -b option; if 0, dmenu appears at bottom */ 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 = 0xf0; static const unsigned int alpha = 0xf0;
/* -fn option overrides fonts[0]; default X11 font or font set */ /* -fn option overrides fonts[0]; default X11 font or font set */
static const char *fonts[] = { static const char *fonts[] = {

View File

@ -42,6 +42,9 @@ which lists programs in the user's $PATH and runs the result in their $SHELL.
.B \-b .B \-b
dmenu appears at the bottom of the screen. dmenu appears at the bottom of the screen.
.TP .TP
.B \-c
dmenu appears centered on the screen.
.TP
.B \-f .B \-f
dmenu grabs the keyboard before reading stdin if not reading from a tty. This 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. is faster, but will lock up X until stdin reaches end\-of\-file.

38
dmenu.c
View File

@ -105,6 +105,15 @@ calcoffsets(void)
break; 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 static void
cleanup(void) cleanup(void)
{ {
@ -642,6 +651,7 @@ setup(void)
bh = MAX(bh,lineheight); /* make a menu line AT LEAST 'lineheight' tall */ bh = MAX(bh,lineheight); /* make a menu line AT LEAST 'lineheight' tall */
lines = MAX(lines, 0); lines = MAX(lines, 0);
mh = (lines + 1) * bh; mh = (lines + 1) * bh;
promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
#ifdef XINERAMA #ifdef XINERAMA
i = 0; i = 0;
if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
@ -668,10 +678,15 @@ setup(void)
if (INTERSECT(x, y, 1, 1, info[i]) != 0) if (INTERSECT(x, y, 1, 1, info[i]) != 0)
break; break;
x = info[i].x_org; if (centered) {
y = info[i].y_org + (topbar ? 0 : info[i].height - mh); mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width);
mw = 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); XFree(info);
} else } else
#endif #endif
@ -679,9 +694,16 @@ setup(void)
if (!XGetWindowAttributes(dpy, parentwin, &wa)) if (!XGetWindowAttributes(dpy, parentwin, &wa))
die("could not get embedding window attributes: 0x%lx", die("could not get embedding window attributes: 0x%lx",
parentwin); parentwin);
x = 0;
y = topbar ? 0 : wa.height - mh; if (centered) {
mw = wa.width; 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; promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
inputw = mw / 3; /* input width: ~33% of monitor width */ inputw = mw / 3; /* input width: ~33% of monitor width */
@ -742,6 +764,8 @@ main(int argc, char *argv[])
topbar = 0; topbar = 0;
else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
fast = 1; fast = 1;
else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */
centered = 1;
else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
fstrncmp = strncasecmp; fstrncmp = strncasecmp;
fstrstr = cistrstr; fstrstr = cistrstr;

View File

@ -0,0 +1,104 @@
diff --git a/config.def.h b/config.def.h
index 1edb647..88ef264 100644
--- a/config.def.h
+++ b/config.def.h
@@ -2,6 +2,8 @@
/* Default settings; can be overriden by command line. */
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 */
/* -fn option overrides fonts[0]; default X11 font or font set */
static const char *fonts[] = {
"monospace:size=10"
diff --git a/dmenu.1 b/dmenu.1
index 323f93c..c036baa 100644
--- a/dmenu.1
+++ b/dmenu.1
@@ -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.
diff --git a/dmenu.c b/dmenu.c
index 27b7a30..427fb04 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -96,6 +96,15 @@ 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)
{
@@ -636,6 +645,7 @@ 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))) {
@@ -662,9 +672,16 @@ 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
@@ -672,9 +689,16 @@ 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 */
@@ -733,6 +757,8 @@ 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;