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diff --git a/config.def.h b/config.def.h
index 4c56466..11ee7b5 100644
--- a/config.def.h
+++ b/config.def.h
@@ -90,6 +90,8 @@ static Key keys[] = {
{ MODKEY, XK_period, focusmon, {.i = +1 } },
{ MODKEY|ShiftMask, XK_comma, tagmon, {.i = -1 } },
{ MODKEY|ShiftMask, XK_period, tagmon, {.i = +1 } },
+ { MODKEY|ShiftMask, XK_h, layoutscroll, {.i = -1 } },
+ { MODKEY|ShiftMask, XK_l, layoutscroll, {.i = +1 } },
TAGKEYS( XK_1, 0)
TAGKEYS( XK_2, 1)
TAGKEYS( XK_3, 2)
diff --git a/dwm.c b/dwm.c
index 1e37fcf..24effbc 100644
--- a/dwm.c
+++ b/dwm.c
@@ -148,6 +148,7 @@ struct Monitor {
Monitor *next;
Window barwin;
const Layout *lt[2];
+ int ltcur; /* current layout */
};
typedef struct {
@@ -227,6 +228,7 @@ static void sendmon(Client *c, Monitor *m);
static void setclientstate(Client *c, long state);
static void setfocus(Client *c);
static void setfullscreen(Client *c, int fullscreen);
+static void layoutscroll(const Arg *arg);
static void setlayout(const Arg *arg);
static void setmfact(const Arg *arg);
static void setup(void);
@@ -725,6 +727,7 @@ createmon(void)
m->nmaster = nmaster;
m->showbar = showbar;
m->topbar = topbar;
+ m->ltcur = 0;
m->lt[0] = &layouts[0];
m->lt[1] = &layouts[1 % LENGTH(layouts)];
strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
@@ -1667,6 +1670,25 @@ setfullscreen(Client *c, int fullscreen)
}
}
+void
+layoutscroll(const Arg *arg)
+{
+ if (!arg || !arg->i)
+ return;
+ int switchto = selmon->ltcur + arg->i;
+ int l = LENGTH(layouts);
+
+ if (switchto == l)
+ switchto = 0;
+ else if(switchto < 0)
+ switchto = l - 1;
+
+ selmon->ltcur = switchto;
+ Arg arg2 = {.v= &layouts[switchto] };
+ setlayout(&arg2);
+
+}
+
void
setlayout(const Arg *arg)
{
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