From 9ccc131284787b1419389e26d115fecde7266863 Mon Sep 17 00:00:00 2001
From: bakkeby <bakkeby@gmail.com>
Date: Sat, 7 Sep 2019 22:27:06 +0200
Subject: [PATCH] Adding cyclelayouts patch

---
 README.md            |  5 +++++
 config.def.h         |  8 +++++++-
 patch/cyclelayouts.c | 16 ++++++++++++++++
 patch/cyclelayouts.h |  1 +
 patch/include.c      |  4 ++++
 patch/include.h      |  4 ++++
 patches.h            |  5 +++++
 7 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 patch/cyclelayouts.c
 create mode 100644 patch/cyclelayouts.h

diff --git a/README.md b/README.md
index f6584e5..4b02b5b 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
 
 ### Changelog:
 
+2019-09-07 - Added cyclelayouts patch
+
 2019-09-06 - Added attachabove, attachaside, attachbelow, attachbottom, autostart, fancybar, focusonnetactive and losefullscreen patches
 
 2019-09-05 - Alpha, systray, togglefullscreen, tagallmon, tagmonfixfs, tagswapmon, pertag and zoomswap patches added
@@ -35,6 +37,9 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
    - [autostart](https://dwm.suckless.org/patches/autostart/)
       - makes dwm run `~/.dwm/autostart_blocking.sh` and `~/.dwm/autostart.sh &` on startup
 
+   - [cyclelayouts](https://dwm.suckless.org/patches/cyclelayouts/)
+      - let's you cycle through all your layouts
+
    - [fancybar](https://dwm.suckless.org/patches/fancybar/)
       - shows the titles of all visible windows in the status bar
 
diff --git a/config.def.h b/config.def.h
index a145750..170f1db 100644
--- a/config.def.h
+++ b/config.def.h
@@ -56,6 +56,9 @@ static const Layout layouts[] = {
 	{ "[]=",      tile },    /* first entry is default */
 	{ "><>",      NULL },    /* no layout function means floating behavior */
 	{ "[M]",      monocle },
+	#if CYCLELAYOUTS_PATCH
+	{ NULL,       NULL },
+	#endif // CYCLELAYOUTS_PATCH
 };
 
 /* key definitions */
@@ -110,6 +113,10 @@ static Key keys[] = {
 	{ MODKEY|Mod4Mask|ControlMask,  XK_comma,  tagswapmon,     {.i = +1 } },
 	{ MODKEY|Mod4Mask|ControlMask,  XK_period, tagswapmon,     {.i = -1 } },
 	#endif // TAGSWAPMON_PATCH
+	#if CYCLELAYOUTS_PATCH
+	{ MODKEY|ControlMask,           XK_comma,  cyclelayout,    {.i = -1 } },
+	{ MODKEY|ControlMask,           XK_period, cyclelayout,    {.i = +1 } },
+	#endif // CYCLELAYOUTS_PATCH
 	TAGKEYS(                        XK_1,                      0)
 	TAGKEYS(                        XK_2,                      1)
 	TAGKEYS(                        XK_3,                      2)
@@ -138,4 +145,3 @@ static Button buttons[] = {
 	{ ClkTagBar,            MODKEY,         Button1,        tag,            {0} },
 	{ ClkTagBar,            MODKEY,         Button3,        toggletag,      {0} },
 };
-
diff --git a/patch/cyclelayouts.c b/patch/cyclelayouts.c
new file mode 100644
index 0000000..4fdc873
--- /dev/null
+++ b/patch/cyclelayouts.c
@@ -0,0 +1,16 @@
+void
+cyclelayout(const Arg *arg) {
+	Layout *l;
+	for(l = (Layout *)layouts; l != selmon->lt[selmon->sellt]; l++);
+	if(arg->i > 0) {
+		if(l->symbol && (l + 1)->symbol)
+			setlayout(&((Arg) { .v = (l + 1) }));
+		else
+			setlayout(&((Arg) { .v = layouts }));
+	} else {
+		if(l != layouts && (l - 1)->symbol)
+			setlayout(&((Arg) { .v = (l - 1) }));
+		else
+			setlayout(&((Arg) { .v = &layouts[LENGTH(layouts) - 2] }));
+	}
+}
\ No newline at end of file
diff --git a/patch/cyclelayouts.h b/patch/cyclelayouts.h
new file mode 100644
index 0000000..02c5f9d
--- /dev/null
+++ b/patch/cyclelayouts.h
@@ -0,0 +1 @@
+static void cyclelayout(const Arg *arg);
\ No newline at end of file
diff --git a/patch/include.c b/patch/include.c
index fa6c20b..0c59c0f 100644
--- a/patch/include.c
+++ b/patch/include.c
@@ -10,6 +10,10 @@
 #include "autostart.c"
 #endif
 
+#if CYCLELAYOUTS_PATCH
+#include "cyclelayouts.c"
+#endif // CYCLELAYOUTS_PATCH
+
 #if PERTAG_PATCH
 #include "pertag.c"
 #endif
diff --git a/patch/include.h b/patch/include.h
index 295ee77..17d6c9e 100644
--- a/patch/include.h
+++ b/patch/include.h
@@ -10,6 +10,10 @@
 #include "autostart.h"
 #endif
 
+#if CYCLELAYOUTS_PATCH
+#include "cyclelayouts.h"
+#endif // CYCLELAYOUTS_PATCH
+
 #if SYSTRAY_PATCH
 #include "systray.h"
 #endif
diff --git a/patches.h b/patches.h
index 6a9d2ce..d26928a 100644
--- a/patches.h
+++ b/patches.h
@@ -44,6 +44,11 @@
  */
 #define AUTOSTART_PATCH 0
 
+/* The cyclelayouts patch let's you cycle through all your layouts.
+ * https://dwm.suckless.org/patches/cyclelayouts/
+ */
+#define CYCLELAYOUTS_PATCH 0
+
 /* This patch shows the titles of all visible windows in the status bar
  * (as opposed to showing only the selected one).
  * https://dwm.suckless.org/patches/fancybar/