diff -up a/config.def.h b/config.def.h --- a/config.def.h 2021-10-02 14:22:28.034782413 +0100 +++ b/config.def.h 2021-10-02 14:22:28.044723532 +0100 @@ -84,6 +84,10 @@ static Key keys[] = { { MODKEY, XK_period, focusmon, {.i = +1 } }, { MODKEY|ShiftMask, XK_comma, tagmon, {.i = -1 } }, { MODKEY|ShiftMask, XK_period, tagmon, {.i = +1 } }, + { MODKEY, XK_Right, viewnext, {0} }, + { MODKEY, XK_Left, viewprev, {0} }, + { MODKEY|ShiftMask, XK_Right, tagtonext, {0} }, + { MODKEY|ShiftMask, XK_Left, tagtoprev, {0} }, TAGKEYS( XK_1, 0) TAGKEYS( XK_2, 1) TAGKEYS( XK_3, 2) diff -up a/dwm.c b/dwm.c --- a/dwm.c 2021-10-02 14:22:28.034782413 +0100 +++ b/dwm.c 2021-10-02 14:27:54.599845767 +0100 @@ -183,8 +183,10 @@ static void maprequest(XEvent *e); static void monocle(Monitor *m); static void motionnotify(XEvent *e); static void movemouse(const Arg *arg); +static unsigned int nexttag(void); static Client *nexttiled(Client *c); static void pop(Client *); +static unsigned int prevtag(void); static void propertynotify(XEvent *e); static void quit(const Arg *arg); static Monitor *recttomon(int x, int y, int w, int h); @@ -208,6 +210,8 @@ static void sigchld(int unused); static void spawn(const Arg *arg); static void tag(const Arg *arg); static void tagmon(const Arg *arg); +static void tagtonext(const Arg *arg); +static void tagtoprev(const Arg *arg); static void tile(Monitor *); static void togglebar(const Arg *arg); static void togglefloating(const Arg *arg); @@ -227,6 +231,8 @@ static void updatetitle(Client *c); static void updatewindowtype(Client *c); static void updatewmhints(Client *c); static void view(const Arg *arg); +static void viewnext(const Arg *arg); +static void viewprev(const Arg *arg); static Client *wintoclient(Window w); static Monitor *wintomon(Window w); static int xerror(Display *dpy, XErrorEvent *ee); @@ -1192,6 +1198,29 @@ movemouse(const Arg *arg) } } +unsigned int +nexttag(void) +{ + unsigned int seltag = selmon->tagset[selmon->seltags]; + unsigned int usedtags = 0; + Client *c = selmon->clients; + + if (!c) + return seltag; + + /* skip vacant tags */ + do { + usedtags |= c->tags; + c = c->next; + } while (c); + + do { + seltag = seltag == (1 << (LENGTH(tags) - 1)) ? 1 : seltag << 1; + } while (!(seltag & usedtags)); + + return seltag; +} + Client * nexttiled(Client *c) { @@ -1208,6 +1237,28 @@ pop(Client *c) arrange(c->mon); } +unsigned int +prevtag(void) +{ + unsigned int seltag = selmon->tagset[selmon->seltags]; + unsigned int usedtags = 0; + Client *c = selmon->clients; + if (!c) + return seltag; + + /* skip vacant tags */ + do { + usedtags |= c->tags; + c = c->next; + } while (c); + + do { + seltag = seltag == 1 ? (1 << (LENGTH(tags) - 1)) : seltag >> 1; + } while (!(seltag & usedtags)); + + return seltag; +} + void propertynotify(XEvent *e) { @@ -1671,6 +1722,36 @@ tagmon(const Arg *arg) } void +tagtonext(const Arg *arg) +{ + unsigned int tmp; + + if (selmon->sel == NULL) + return; + + if ((tmp = nexttag()) == selmon->tagset[selmon->seltags]) + return; + + tag(&(const Arg){.ui = tmp }); + view(&(const Arg){.ui = tmp }); +} + +void +tagtoprev(const Arg *arg) +{ + unsigned int tmp; + + if (selmon->sel == NULL) + return; + + if ((tmp = prevtag()) == selmon->tagset[selmon->seltags]) + return; + + tag(&(const Arg){.ui = tmp }); + view(&(const Arg){.ui = tmp }); +} + +void tile(Monitor *m) { unsigned int i, n, h, mw, my, ty; @@ -2044,6 +2125,18 @@ view(const Arg *arg) arrange(selmon); } +void +viewnext(const Arg *arg) +{ + view(&(const Arg){.ui = nexttag()}); +} + +void +viewprev(const Arg *arg) +{ + view(&(const Arg){.ui = prevtag()}); +} + Client * wintoclient(Window w) {