Re: [dev] [dwm] switch tag with mouse wheel on root

[Rob]

dwm doesn't have this by default, because dwm doesn't have a "current
tag", since you can have many activated.
Here's what I do [attached]. It's taken and modified from a ML post I
saw a good while back.

Rob.

On 21 December 2010 11:07, David Demelier <demelier.da...@gmail.com> wrote:
> Hello dear dwm users,
>
> I was just wondering how could I switch to the next or previous tag by using
> the mouse wheel on root window.
>
> I think I must add the following :
>
> { ClkRootWin,            MODKEY,         Button4, ?? }
> { ClkRootWin,            MODKEY,         Button5, ?? }
>
> But I don't know what I must add in the argument colon.
>
> Kind regards,
>
> --
> David Demelier
>
>

void
view_adjacent(const Arg *arg)
{
	int i, curtags;
	int seltag = 0;
	Arg a;

	curtags = selmon->tagset[selmon->seltags];
	for(i = 0; i < LENGTH(tags); i++)
		if(curtags & (1 << i)){
			seltag = i;
			break;
		}

	seltag = (seltag + arg->i) % (int)LENGTH(tags);
	if(seltag < 0)
		seltag += LENGTH(tags);

	a.i = (1 << seltag);
	view(&a);
}

static Key keys[] = {
	/* ... */
	{ MODKEY,              XK_l,           view_adjacent,  { .i = +1 } },
	{ MODKEY,              XK_h,           view_adjacent,  { .i = -1 } },
	/* ... */
};

static Button buttons[] = {
	/* ... */
	{ ClkTagBar,            0,              Button4,        view_adjacent,     { .i = -1 } },
	{ ClkTagBar,            0,              Button5,        view_adjacent,     { .i = +1 } },
	/* ... */
};