X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/39ed54a468f339535f82cce2c0a79b92e74a7c09..64871a7045077bb2ec4cbcd62a74cabbe6b45096:/client.c?ds=inline

diff --git a/client.c b/client.c
index 79cd698..45f2d19 100644
--- a/client.c
+++ b/client.c
@@ -9,13 +9,6 @@
 
 /* static */
 
-static void
-detachstack(Client *c) {
-	Client **tc;
-	for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
-	*tc = c->snext;
-}
-
 static void
 grabbuttons(Client *c, Bool focused) {
 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
@@ -53,6 +46,21 @@ grabbuttons(Client *c, Bool focused) {
 				GrabModeAsync, GrabModeSync, None, None);
 }
 
+static Bool
+isprotodel(Client *c) {
+	int i, n;
+	Atom *protocols;
+	Bool ret = False;
+
+	if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
+		for(i = 0; !ret && i < n; i++)
+			if(protocols[i] == wmatom[WMDelete])
+				ret = True;
+		XFree(protocols);
+	}
+	return ret;
+}
+
 static void
 setclientstate(Client *c, long state) {
 	long data[] = {state, None};
@@ -67,6 +75,20 @@ xerrordummy(Display *dsply, XErrorEvent *ee) {
 
 /* extern */
 
+void
+attach(Client *c) {
+	if(clients)
+		clients->prev = c;
+	c->next = clients;
+	clients = c;
+}
+
+void
+attachstack(Client *c) {
+	c->snext = stack;
+	stack = c;
+}
+
 void
 configure(Client *c) {
 	XConfigureEvent ce;
@@ -85,6 +107,24 @@ configure(Client *c) {
 	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
 }
 
+void
+detach(Client *c) {
+	if(c->prev)
+		c->prev->next = c->next;
+	if(c->next)
+		c->next->prev = c->prev;
+	if(c == clients)
+		clients = c->next;
+	c->next = c->prev = NULL;
+}
+
+void
+detachstack(Client *c) {
+	Client **tc;
+	for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
+	*tc = c->snext;
+}
+
 void
 focus(Client *c) {
 	if(c && !isvisible(c))
@@ -95,8 +135,7 @@ focus(Client *c) {
 	}
 	if(c) {
 		detachstack(c);
-		c->snext = stack;
-		stack = c;
+		attachstack(c);
 		grabbuttons(c, True);
 	}
 	sel = c;
@@ -111,6 +150,38 @@ focus(Client *c) {
 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
 }
 
+void
+focusnext(Arg *arg) {
+	Client *c;
+   
+	if(!sel)
+		return;
+	for(c = sel->next; c && !isvisible(c); c = c->next);
+	if(!c)
+		for(c = clients; c && !isvisible(c); c = c->next);
+	if(c) {
+		focus(c);
+		restack();
+	}
+}
+
+void
+focusprev(Arg *arg) {
+	Client *c;
+
+	if(!sel)
+		return;
+	for(c = sel->prev; c && !isvisible(c); c = c->prev);
+	if(!c) {
+		for(c = clients; c && c->next; c = c->next);
+		for(; c && !isvisible(c); c = c->prev);
+	}
+	if(c) {
+		focus(c);
+		restack();
+	}
+}
+
 Client *
 getclient(Window w) {
 	Client *c;
@@ -121,21 +192,6 @@ getclient(Window w) {
 	return NULL;
 }
 
-Bool
-isprotodel(Client *c) {
-	int i, n;
-	Atom *protocols;
-	Bool ret = False;
-
-	if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
-		for(i = 0; !ret && i < n; i++)
-			if(protocols[i] == wmatom[WMDelete])
-				ret = True;
-		XFree(protocols);
-	}
-	return ret;
-}
-
 void
 killclient(Arg *arg) {
 	if(!sel)
@@ -189,11 +245,8 @@ manage(Window w, XWindowAttributes *wa) {
 	settags(c, t);
 	if(!c->isfloat)
 		c->isfloat = (t != 0) || c->isfixed;
-	if(clients)
-		clients->prev = c;
-	c->next = clients;
-	c->snext = stack;
-	stack = clients = c;
+	attach(c);
+	attachstack(c);
 	c->isbanned = True;
 	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
 	XMapWindow(dpy, c->win);