Focus Adjacent Tag Patch

3 files changed, 64 insertions, 0 deletions

diff --git a/config.def.h b/config.def.h
index a23c055..6ada241 100644
--- a/config.def.h
+++ b/config.def.h
@@ -92,6 +92,10 @@ 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_Left,   viewtoleft,     {0} },
+	{ MODKEY,                       XK_Right,  viewtoright,    {0} },
+	{ MODKEY|ShiftMask,             XK_Left,   tagtoleft,      {0} },
+	{ MODKEY|ShiftMask,             XK_Right,  tagtoright,     {0} },
 	TAGKEYS(                        XK_1,                      0)
 	TAGKEYS(                        XK_2,                      1)
 	TAGKEYS(                        XK_3,                      2)
diff --git a/dwm.1 b/dwm.1
index ddc8321..6d8cd6d 100644
--- a/dwm.1
+++ b/dwm.1
@@ -77,6 +77,18 @@ Send focused window to previous screen, if any.
 .B Mod1\-Shift\-.
 Send focused window to next screen, if any.
 .TP
+.B Mod1\-Right
+Focus tag on the right, if any.
+.TP
+.B Mod1\-Left
+Focus tag on the left, if any.
+.TP
+.B Mod1\-Shift\-Right
+Send focused window to tag on the right, if any.
+.TP
+.B Mod1\-Shift\-Left
+Send focused window to tag on the left, if any.
+.TP
 .B Mod1\-b
 Toggles bar on and off.
 .TP
diff --git a/dwm.c b/dwm.c
index 0fba3dc..121aa44 100644
--- a/dwm.c
+++ b/dwm.c
@@ -209,6 +209,8 @@ 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 tagtoleft(const Arg *arg);
+static void tagtoright(const Arg *arg);
 static void tile(Monitor *);
 static void togglebar(const Arg *arg);
 static void togglefloating(const Arg *arg);
@@ -228,6 +230,8 @@ static void updatetitle(Client *c);
 static void updatewindowtype(Client *c);
 static void updatewmhints(Client *c);
 static void view(const Arg *arg);
+static void viewtoleft(const Arg *arg);
+static void viewtoright(const Arg *arg);
 static Client *wintoclient(Window w);
 static Monitor *wintomon(Window w);
 static int xerror(Display *dpy, XErrorEvent *ee);
@@ -1854,6 +1858,28 @@ updateclientlist()
 				(unsigned char *) &(c->win), 1);
 }
 
+void
+tagtoleft(const Arg *arg) {
+	if(selmon->sel != NULL
+	&& __builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1
+	&& selmon->tagset[selmon->seltags] > 1) {
+		selmon->sel->tags >>= 1;
+		focus(NULL);
+		arrange(selmon);
+	}
+}
+
+void
+tagtoright(const Arg *arg) {
+	if(selmon->sel != NULL
+	&& __builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1
+	&& selmon->tagset[selmon->seltags] & (TAGMASK >> 1)) {
+		selmon->sel->tags <<= 1;
+		focus(NULL);
+		arrange(selmon);
+	}
+}
+
 int
 updategeom(void)
 {
@@ -2051,6 +2077,28 @@ view(const Arg *arg)
 	arrange(selmon);
 }
 
+void
+viewtoleft(const Arg *arg) {
+	if(__builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1
+	&& selmon->tagset[selmon->seltags] > 1) {
+		selmon->seltags ^= 1; /* toggle sel tagset */
+		selmon->tagset[selmon->seltags] = selmon->tagset[selmon->seltags ^ 1] >> 1;
+		focus(NULL);
+		arrange(selmon);
+	}
+}
+
+void
+viewtoright(const Arg *arg) {
+	if(__builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1
+	&& selmon->tagset[selmon->seltags] & (TAGMASK >> 1)) {
+		selmon->seltags ^= 1; /* toggle sel tagset */
+		selmon->tagset[selmon->seltags] = selmon->tagset[selmon->seltags ^ 1] << 1;
+		focus(NULL);
+		arrange(selmon);
+	}
+}
+
 Client *
 wintoclient(Window w)
 {