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	dwm-swapfocus-20160731-56a31dc.diff (1791B)
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	1 Author: Jan Christoph Ebersbach <[email protected]>
	2 URL: http://dwm.suckless.org/patches/swapfocus
	3 This patch makes it possible to switch focus with one single shortcut (a…
	4 instead of having to think if you should use alt-j or alt-k for reaching…
	5 last used window.
	6
	7 Index: dwm/dwm.c
	8 ===================================================================
	9 --- dwm/dwm.c.orig
	10 +++ dwm/dwm.c
	11 @@ -207,6 +207,7 @@ static void setup(void);
	12 static void showhide(Client *c);
	13 static void sigchld(int unused);
	14 static void spawn(const Arg *arg);
	15 +static void swapfocus();
	16 static void tag(const Arg *arg);
	17 static void tagmon(const Arg *arg);
	18 static void tile(Monitor *);
	19 @@ -236,6 +237,7 @@ static int xerrorstart(Display *dpy, XEr
	20 static void zoom(const Arg *arg);
	21
	22 /* variables */
	23 +static Client *prevclient = NULL;
	24 static const char broken[] = "broken";
	25 static char stext[256];
	26 static int screen;
	27 @@ -1645,6 +1647,17 @@ spawn(const Arg *arg)
	28 }
	29
	30 void
	31 +swapfocus()
	32 +{
	33 + Client *c;
	34 + for(c = selmon->clients; c && c != prevclient; c = c->next) ;
	35 + if(c == prevclient) {
	36 + focus(prevclient);
	37 + restack(prevclient->mon);
	38 + }
	39 +}
	40 +
	41 +void
	42 tag(const Arg *arg)
	43 {
	44 if (selmon->sel && arg->ui & TAGMASK) {
	45 @@ -1743,6 +1756,7 @@ unfocus(Client *c, int setfocus)
	46 {
	47 if (!c)
	48 return;
	49 + prevclient = c;
	50 grabbuttons(c, 0);
	51 XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pix…
	52 if (setfocus) {
	53 @@ -2109,12 +2123,13 @@ void
	54 zoom(const Arg *arg)
	55 {
	56 Client *c = selmon->sel;
	57 + prevclient = nexttiled(selmon->clients);
	58
	59 if (!selmon->lt[selmon->sellt]->arrange
	60 \|\| (selmon->sel && selmon->sel->isfloating))
	61 return;
	62 if (c == nexttiled(selmon->clients))
	63 - if (!c \|\| !(c = nexttiled(c->next)))
	64 + if (!c \|\| !(c = prevclient = nexttiled(c->next)))
	65 return;
	66 pop(c);
	67 }