Adding focusadjacenttag patch

README.md

@@ -13,7 +13,7 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
 
 ### Changelog:
 
-2019-10-02 - Added restartsig and emptyview patch
+2019-10-02 - Added restartsig, emptyview and focusadjacenttag patches
 
 2019-10-01 - Added leftlayout, fullscreen, holdbar and unfloatvisible patches
 
@@ -101,6 +101,10 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
    - [floatbordercolor](https://dwm.suckless.org/patches/float_border_color/)
       - this patch allows a different border color to be chosen for floating windows
 
+   - [focusadjacenttag](https://dwm.suckless.org/patches/focusadjacenttag/)
+      - provides the ability to focus the tag on the immediate left or right of the currently focused tag
+      - it also allows to send the focused window either on the left or the right tag
+
    - [focusonclick](https://dwm.suckless.org/patches/focusonclick/)
       - this patch makes you switch focus only by mouse click and not sloppy (focus follows mouse pointer)
 

config.def.h

@@ -398,6 +398,14 @@ static Key keys[] = {
 	{ MODKEY,                       XK_period,     focusmon,          {.i = +1 } },
 	{ MODKEY|ShiftMask,             XK_comma,      tagmon,            {.i = -1 } },
 	{ MODKEY|ShiftMask,             XK_period,     tagmon,            {.i = +1 } },
+	#if FOCUSADJACENTTAG_PATCH
+	{ MODKEY,                       XK_Left,       viewtoleft,        {0} },
+	{ MODKEY,                       XK_Right,      viewtoright,       {0} },
+	{ MODKEY|ShiftMask,             XK_Left,       tagtoleft,         {0} },
+	{ MODKEY|ShiftMask,             XK_Right,      tagtoright,        {0} },
+	{ MODKEY|ControlMask,           XK_Left,       tagandviewtoleft,  {0} },
+	{ MODKEY|ControlMask,           XK_Right,      tagandviewtoright, {0} },
+	#endif // FOCUSADJACENTTAG_PATCH
 	#if TAGALLMON_PATCH
 	{ MODKEY|Mod4Mask|ShiftMask,    XK_comma,      tagallmon,         {.i = +1 } },
 	{ MODKEY|Mod4Mask|ShiftMask,    XK_period,     tagallmon,         {.i = -1 } },

patch/focusadjacenttag.c

@@ -0,0 +1,73 @@
+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);
+	}
+}
+
+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);
+	}
+}
+
+void
+tagandviewtoleft(const Arg *arg)
+{
+	if (__builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1
+	&& selmon->tagset[selmon->seltags] > 1) {
+		selmon->sel->tags >>= 1;
+		selmon->seltags ^= 1; /* toggle sel tagset */
+		selmon->tagset[selmon->seltags] = selmon->tagset[selmon->seltags ^ 1] >> 1;
+		focus(selmon->sel);
+		arrange(selmon);
+	}
+}
+
+void
+tagandviewtoright(const Arg *arg)
+{
+	if (__builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1
+	&& selmon->tagset[selmon->seltags] & (TAGMASK >> 1)) {
+		selmon->sel->tags <<= 1;
+		selmon->seltags ^= 1; /* toggle sel tagset */
+		selmon->tagset[selmon->seltags] = selmon->tagset[selmon->seltags ^ 1] << 1;
+		focus(selmon->sel);
+		arrange(selmon);
+	}
+}

patch/focusadjacenttag.h

@@ -0,0 +1,6 @@
+static void tagtoleft(const Arg *arg);
+static void tagtoright(const Arg *arg);
+static void viewtoleft(const Arg *arg);
+static void viewtoright(const Arg *arg);
+static void tagandviewtoleft(const Arg *arg);
+static void tagandviewtoright(const Arg *arg);

patch/include.c

@@ -36,6 +36,10 @@
 #include "ewmhtags.c"
 #endif
 
+#if FOCUSADJACENTTAG_PATCH
+#include "focusadjacenttag.c"
+#endif
+
 #if FULLSCREEN_PATCH
 #include "fullscreen.c"
 #endif

patch/include.h

@@ -36,6 +36,10 @@
 #include "ewmhtags.h"
 #endif
 
+#if FOCUSADJACENTTAG_PATCH
+#include "focusadjacenttag.h"
+#endif
+
 #if FULLSCREEN_PATCH
 #include "fullscreen.h"
 #endif

patches.h

@@ -132,6 +132,13 @@
  */
 #define FANCYBAR_PATCH 0
 
+/* This patch provides the ability to focus the tag on the immediate left or right of the
+ * currently focused tag. It also allows to send the focused window either on the left or
+ * the right tag.
+ * http://dwm.suckless.org/patches/focusadjacenttag/
+ */
+#define FOCUSADJACENTTAG_PATCH 1
+
 /* Switch focus only by mouse click and not sloppy (focus follows mouse pointer).
  * https://dwm.suckless.org/patches/focusonclick/
  */