merged togglekblayoutandoptions patch

config.def.h

@@ -72,13 +72,21 @@ static const MonitorRule monrules[] = {
 };
 
 /* keyboard */
-static const struct xkb_rule_names xkb_rules = {
+static const struct xkb_rule_names xkb_rules[] = {
-	/* can specify fields: rules, model, layout, variant, options */
+	{
-	/* example:
+		.layout = "de",
-	.options = "ctrl:nocaps",
+	        .options = NULL,
-	*/
+	},
-        .layout = "de",
+	{
-	.options = NULL,
+		.layout = "de",
+	        .variant = "nodeadkeys",
+	        .options = NULL,
+	},
+	{
+	        .layout = "de",
+	        .variant = "ru",
+	        .options = NULL,
+	}
 };
 
 /* input devices */
@@ -181,6 +189,7 @@ static const Key keys[] = {
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_V,         setlayout,        {.v = &layouts[3]} },
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_S,         setlayout,        {.v = &layouts[4]} },
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_H,         setmfact,         {.f = -0.05f} },
+	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_L,         incxkbrules,    {.i = +1} },
 	{ MODKEY,                    XKB_KEY_comma,     focusmon,         {.i = WLR_DIRECTION_LEFT} },
 	{ MODKEY,                    XKB_KEY_period,    focusmon,         {.i = WLR_DIRECTION_RIGHT} },
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_semicolon, tagmon,           {.i = WLR_DIRECTION_LEFT} },

dwl.c

@@ -263,6 +263,7 @@ static void arrange(Monitor *m);
 static void arrangelayer(Monitor *m, struct wl_list *list,
 		struct wlr_box *usable_area, int exclusive);
 static void arrangelayers(Monitor *m);
+static void assignkeymap(struct wlr_keyboard *keyboard);
 static void axisnotify(struct wl_listener *listener, void *data);
 static void buttonpress(struct wl_listener *listener, void *data);
 static void chvt(const Arg *arg);
@@ -321,6 +322,7 @@ static void fullscreennotify(struct wl_listener *listener, void *data);
 static void gpureset(struct wl_listener *listener, void *data);
 static void handlesig(int signo);
 static void incnmaster(const Arg *arg);
+static void incxkbrules(const Arg *arg);
 static void inputdevice(struct wl_listener *listener, void *data);
 static int keybinding(uint32_t mods, xkb_keysym_t sym);
 static void keypress(struct wl_listener *listener, void *data);
@@ -361,6 +363,7 @@ static void setmon(Client *c, Monitor *m, uint32_t newtags);
 static void setpsel(struct wl_listener *listener, void *data);
 static void setsel(struct wl_listener *listener, void *data);
 static void setup(void);
+static void setxkbrules(const Arg *arg);
 static void spawn(const Arg *arg);
 static void startdrag(struct wl_listener *listener, void *data);
 static void tag(const Arg *arg);
@@ -435,6 +438,7 @@ static struct wlr_session_lock_v1 *cur_lock;
 
 static struct wlr_seat *seat;
 static KeyboardGroup *kb_group;
+static unsigned int kblayout = 0;
 static unsigned int cursor_mode;
 static Client *grabc;
 static int grabcx, grabcy; /* client-relative */
@@ -657,6 +661,20 @@ arrangelayers(Monitor *m)
 	}
 }
 
+void
+assignkeymap(struct wlr_keyboard *keyboard) {
+	struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
+	struct xkb_keymap *keymap = xkb_keymap_new_from_names(context, &xkb_rules[kblayout],
+					XKB_KEYMAP_COMPILE_NO_FLAGS);
+
+	if (!keymap)
+		die("failed to compile keymap");
+
+	wlr_keyboard_set_keymap(keyboard, keymap);
+	xkb_keymap_unref(keymap);
+	xkb_context_unref(context);
+}
+
 void
 axisnotify(struct wl_listener *listener, void *data)
 {
@@ -1015,21 +1033,11 @@ KeyboardGroup *
 createkeyboardgroup(void)
 {
 	KeyboardGroup *group = ecalloc(1, sizeof(*group));
-	struct xkb_context *context;
-	struct xkb_keymap *keymap;
 
 	group->wlr_group = wlr_keyboard_group_create();
 	group->wlr_group->data = group;
 
-	/* Prepare an XKB keymap and assign it to the keyboard group. */
+	assignkeymap(&group->wlr_group->keyboard);
-	context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
-	if (!(keymap = xkb_keymap_new_from_names(context, &xkb_rules,
-				XKB_KEYMAP_COMPILE_NO_FLAGS)))
-		die("failed to compile keymap");
-
-	wlr_keyboard_set_keymap(&group->wlr_group->keyboard, keymap);
-	xkb_keymap_unref(keymap);
-	xkb_context_unref(context);
 
 	wlr_keyboard_set_repeat_info(&group->wlr_group->keyboard, repeat_rate, repeat_delay);
 
@@ -1909,6 +1917,13 @@ incnmaster(const Arg *arg)
 	arrange(selmon);
 }
 
+void
+incxkbrules(const Arg *arg)
+{
+	kblayout = (kblayout + arg->i) % LENGTH(xkb_rules);
+	assignkeymap(&kb_group->wlr_group->keyboard);
+}
+
 void
 inputdevice(struct wl_listener *listener, void *data)
 {
@@ -3023,6 +3038,13 @@ setup(void)
 #endif
 }
 
+void
+setxkbrules(const Arg *arg)
+{
+	kblayout = arg->i;
+	assignkeymap(&kb_group->wlr_group->keyboard);
+}
+
 void
 spawn(const Arg *arg)
 {