Hi,
On Sun Jan 8, 2023 at 11:40 AM CET, A Farzat wrote:
> On 23/01/08 11:32am, Hiltjo Posthuma wrote:
> > On Sun, Jan 08, 2023 at 07:19:10PM +0900, A Farzat wrote:
> > > Is there a way to obtain the currently focused monitor in dwm? I want to
> > > use it in my script to control which monitor gets its brightness
> > > modified.
> > >
> > > Regards,
> > > Farzat
> >
> > selmon
> >
> > --
> > Kind regards,
> > Hiltjo
> >
>
> And how do I access that command? If possible I want to access it from
> a shell script.
>
> I am open to modifying the dwm source code if necessary.
>
> Regards,
> Farzat
selmon isn't a command. It's a variable in the source code located at
dwm.c:269 (upstream). You could write a function like the following to dump
its value to stdout/stderr. Now you have to figure out where to call it.
--
Best Regards,
Tom Schwindl
diff --git a/dwm.c b/dwm.c
index 03baf42b3502..4fa8253c91e0 100644
--- a/dwm.c
+++ b/dwm.c
@@ -234,6 +234,7 @@ static int xerror(Display *dpy, XErrorEvent *ee);
static int xerrordummy(Display *dpy, XErrorEvent *ee);
static int xerrorstart(Display *dpy, XErrorEvent *ee);
static void zoom(const Arg *arg);
+static void dumpmon(void);
/* variables */
static const char broken[] = "broken";
@@ -276,6 +277,13 @@ static Window root, wmcheckwin;
struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
/* function implementations */
+static void
+dumpmon(void)
+{
+ if (selmon)
+ fprintf(stdout, "%d\n", selmon->num);
+}
+
void
applyrules(Client *c)
{
