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diff -up a/config.def.h b/config.def.h
--- a/config.def.h 2020-05-12 02:17:20.070933833 +0200
+++ b/config.def.h 2020-05-13 03:27:51.018695798 +0200
@@ -84,6 +84,9 @@ 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_minus, setborderpx, {.i = -1 } },
+ { MODKEY|ShiftMask, XK_plus, setborderpx, {.i = +1 } },
+ { MODKEY|ShiftMask, XK_numbersign, setborderpx, {.i = 0 } },
TAGKEYS( XK_1, 0)
TAGKEYS( XK_2, 1)
TAGKEYS( XK_3, 2)
diff -up a/dwm.c b/dwm.c
--- a/dwm.c 2020-05-12 02:17:20.070933833 +0200
+++ b/dwm.c 2020-05-14 00:17:35.047919771 +0200
@@ -119,6 +119,7 @@ struct Monitor {
int by; /* bar geometry */
int mx, my, mw, mh; /* screen size */
int wx, wy, ww, wh; /* window area */
+ unsigned int borderpx;
unsigned int seltags;
unsigned int sellt;
unsigned int tagset[2];
@@ -196,6 +197,7 @@ static void run(void);
static void scan(void);
static int sendevent(Client *c, Atom proto);
static void sendmon(Client *c, Monitor *m);
+static void setborderpx(const Arg *arg);
static void setclientstate(Client *c, long state);
static void setfocus(Client *c);
static void setfullscreen(Client *c, int fullscreen);
@@ -638,6 +640,7 @@ createmon(void)
m->nmaster = nmaster;
m->showbar = showbar;
m->topbar = topbar;
+ m->borderpx = borderpx;
m->lt[0] = &layouts[0];
m->lt[1] = &layouts[1 % LENGTH(layouts)];
strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
@@ -1047,7 +1050,7 @@ manage(Window w, XWindowAttributes *wa)
/* only fix client y-offset, if the client center might cover the bar */
c->y = MAX(c->y, ((c->mon->by == c->mon->my) && (c->x + (c->w / 2) >= c->mon->wx)
&& (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
- c->bw = borderpx;
+ c->bw = c->mon->borderpx;
wc.border_width = c->bw;
XConfigureWindow(dpy, w, CWBorderWidth, &wc);
@@ -1424,6 +1427,40 @@ sendmon(Client *c, Monitor *m)
}
void
+setborderpx(const Arg *arg)
+{
+ Client *c;
+ int prev_borderpx = selmon->borderpx;
+
+ if (arg->i == 0)
+ selmon->borderpx = borderpx;
+ else if (selmon->borderpx + arg->i < 0)
+ selmon->borderpx = 0;
+ else
+ selmon->borderpx += arg->i;
+
+ for (c = selmon->clients; c; c = c->next)
+ {
+ if (c->bw + arg->i < 0)
+ c->bw = selmon->borderpx = 0;
+ else
+ c->bw = selmon->borderpx;
+ if (c->isfloating || !selmon->lt[selmon->sellt]->arrange)
+ {
+ if (arg->i != 0 && prev_borderpx + arg->i >= 0)
+ resize(c, c->x, c->y, c->w-(arg->i*2), c->h-(arg->i*2), 0);
+ else if (arg->i != 0)
+ resizeclient(c, c->x, c->y, c->w, c->h);
+ else if (prev_borderpx > borderpx)
+ resize(c, c->x, c->y, c->w + 2*(prev_borderpx - borderpx), c->h + 2*(prev_borderpx - borderpx), 0);
+ else if (prev_borderpx < borderpx)
+ resize(c, c->x, c->y, c->w-2*(borderpx - prev_borderpx), c->h-2*(borderpx - prev_borderpx), 0);
+ }
+ }
+ arrange(selmon);
+}
+
+void
setclientstate(Client *c, long state)
{
long data[] = { state, None };
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