diff --git a/dwm/config.def.h b/dwm/config.def.h
index 09a04f143050f5718944f39eb612e252f85de19c..c7294f880b099d94f8880074f6717befc1491f81 100644
--- a/dwm/config.def.h
+++ b/dwm/config.def.h
@@ -26,10 +26,11 @@ static const Rule rules[] = {
 	 *	WM_CLASS(STRING) = instance, class
 	 *	WM_NAME(STRING) = title
 	 */
-	/* class            instance    title       tags mask     isfloating   monitor */
-	{ "Gimp",           NULL,       NULL,       0,            1,           -1 },
-	{ "Firefox",        NULL,       NULL,       1 << 8,       0,           -1 },
-  { "Avizo-service",  NULL,       NULL,       0,            1,           -1 }
+	/* class               instance    title       tags mask     iscentered   isfloating   canfocus  monitor */
+	{ "Gimp",              NULL,       NULL,       0,            1,           1,           1,        -1 },
+	{ "Firefox",           NULL,       NULL,       1 << 8,       1,           0,           1,        -1 },
+  { "Avizo-service",     NULL,       NULL,       0,            1,           1,           0,        -1 },
+  { "jetbrains-pycharm", NULL,       NULL,       0,            1,           1,           1,        -1 }
 };
 
 /* layout(s) */
diff --git a/dwm/dwm.c b/dwm/dwm.c
index 5a562a53a15c8e6605e67ab10f0231e84f3ea4d8..ee41c162c19068bc4dfc9d2feecb1ae5a3b60b1e 100644
--- a/dwm/dwm.c
+++ b/dwm/dwm.c
@@ -92,7 +92,7 @@ struct Client {
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
 	int bw, oldbw;
 	unsigned int tags;
-	int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
+	int isfixed, iscentered, canfocus, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
 	Client *next;
 	Client *snext;
 	Monitor *mon;
@@ -137,7 +137,9 @@ typedef struct {
 	const char *instance;
 	const char *title;
 	unsigned int tags;
+	int iscentered;
 	int isfloating;
+  int canfocus;
 	int monitor;
 } Rule;
 
@@ -287,7 +289,9 @@ applyrules(Client *c)
 	XClassHint ch = { NULL, NULL };
 
 	/* rule matching */
+	c->iscentered = 0;
 	c->isfloating = 0;
+    c->canfocus = 1;
 	c->tags = 0;
 	XGetClassHint(dpy, c->win, &ch);
 	class    = ch.res_class ? ch.res_class : broken;
@@ -299,7 +303,9 @@ applyrules(Client *c)
 		&& (!r->class || strstr(class, r->class))
 		&& (!r->instance || strstr(instance, r->instance)))
 		{
+			c->iscentered = r->iscentered;
 			c->isfloating = r->isfloating;
+            c->canfocus = r->canfocus;
 			c->tags |= r->tags;
 			for (m = mons; m && m->num != r->monitor; m = m->next);
 			if (m)
@@ -790,6 +796,8 @@ focus(Client *c)
 	if (selmon->sel && selmon->sel != c)
 		unfocus(selmon->sel, 0);
 	if (c) {
+        if (!c->canfocus)
+            return;
 		if (c->mon != selmon)
 			selmon = c->mon;
 		if (c->isurgent)
@@ -797,7 +805,9 @@ focus(Client *c)
 		detachstack(c);
 		attachstack(c);
 		grabbuttons(c, 1);
-		XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel);
+    if (!c->iscentered){
+		  XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel);
+    }
 		setfocus(c);
 	} else {
 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
@@ -839,16 +849,16 @@ focusstack(const Arg *arg)
 	if (!selmon->sel)
 		return;
 	if (arg->i > 0) {
-		for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next);
+		for (c = selmon->sel->next; c && (!ISVISIBLE(c) || !c->canfocus); c = c->next);
 		if (!c)
-			for (c = selmon->clients; c && !ISVISIBLE(c); c = c->next);
+			for (c = selmon->clients; c && (!ISVISIBLE(c) || !c->canfocus); c = c->next);
 	} else {
 		for (i = selmon->clients; i != selmon->sel; i = i->next)
-			if (ISVISIBLE(i))
+			if (ISVISIBLE(i) && i->canfocus)
 				c = i;
 		if (!c)
 			for (; i; i = i->next)
-				if (ISVISIBLE(i))
+				if (ISVISIBLE(i) && i->canfocus)
 					c = i;
 	}
 	if (c) {
@@ -1053,11 +1063,17 @@ manage(Window w, XWindowAttributes *wa)
 
 	wc.border_width = c->bw;
 	XConfigureWindow(dpy, w, CWBorderWidth, &wc);
-	XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel);
+  if (!c->iscentered){
+	  XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel);
+  }
 	configure(c); /* propagates border_width, if size doesn't change */
 	updatewindowtype(c);
 	updatesizehints(c);
 	updatewmhints(c);
+	if (c->iscentered) {
+		c->x = c->mon->mx + (c->mon->mw - WIDTH(c)) / 2;
+		c->y = c->mon->my + (c->mon->mh - HEIGHT(c)) / 2;
+	}
 	XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
 	grabbuttons(c, 0);
 	if (!c->isfloating)
@@ -1754,7 +1770,9 @@ unfocus(Client *c, int setfocus)
 	if (!c)
 		return;
 	grabbuttons(c, 0);
-	XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel);
+  if (!c->iscentered){
+	  XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel);
+  }
 	if (setfocus) {
 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
 		XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
@@ -2011,8 +2029,10 @@ updatewindowtype(Client *c)
 
 	if (state == netatom[NetWMFullscreen])
 		setfullscreen(c, 1);
-	if (wtype == netatom[NetWMWindowTypeDialog])
+	if (wtype == netatom[NetWMWindowTypeDialog]) {
+		c->iscentered = 1;
 		c->isfloating = 1;
+	}
 }
 
 void