From 0c64938fd369bb5269f7796514a20f8e1a6e0896 Mon Sep 17 00:00:00 2001
From: Benjamin Chausse <benjamin@chausse.xyz>
Date: Mon, 29 Jul 2024 00:10:16 -0400
Subject: Implement togglekblayoutandoptions patch (fixed)

---
 config.h | 19 ++++++++++++-------
 dwl.c    | 21 ++++++++++++++++++++-
 2 files changed, 32 insertions(+), 8 deletions(-)

diff --git a/config.h b/config.h
index c5faa78..28f2265 100644
--- a/config.h
+++ b/config.h
@@ -84,13 +84,16 @@ static const MonitorRule monrules[] = {
 };
 
 /* keyboard */
-static const struct xkb_rule_names xkb_rules = {
-	/* can specify fields: rules, model, layout, variant, options */
-	/* example:
-	.options = "ctrl:nocaps",
-	*/
-	.options = NULL,
-};
+static const struct xkb_rule_names xkb_rules[] = {
+	{
+		.layout = "us"
+		/* .variant = "dvp", */
+		/* .options = "compose:102,numpad:shift3,kpdl:semi,keypad:atm,caps:super" */
+	},
+	{
+		.layout = "ca"
+	},
+ };
 
 static const int repeat_rate = 50;
 static const int repeat_delay = 300;
@@ -172,6 +175,8 @@ static const Key keys[] = {
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_plus,       incgaps,       {.i = +1 } },
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_underscore, togglegaps,    {0} },
 	{ MODKEY,                    XKB_KEY_equal,      defaultgaps,   {0} },
+	{ WLR_MODIFIER_ALT,          XKB_KEY_Return,     incxkbrules,   {0} },
+	// { WLR_MODIFIER_ALT,          XKB_KEY_Return,     incxkbrules,   {.i = +1} },
 	// { MODKEY|WLR_MODIFIER_LOGO|WLR_MODIFIER_SHIFT,   XKB_KEY_H,      incogaps,      {.i = +1 } },
 	// { MODKEY|WLR_MODIFIER_LOGO|WLR_MODIFIER_SHIFT,   XKB_KEY_L,      incogaps,      {.i = -1 } },
 	// { MODKEY|WLR_MODIFIER_LOGO|WLR_MODIFIER_CTRL,    XKB_KEY_h,      incigaps,      {.i = +1 } },
diff --git a/dwl.c b/dwl.c
index 912a6ef..3311ebd 100644
--- a/dwl.c
+++ b/dwl.c
@@ -378,6 +378,7 @@ static void setup(void);
 static void spawn(const Arg *arg);
 static void startdrag(struct wl_listener *listener, void *data);
 static int status_in(int fd, unsigned int mask, void *data);
+static void incxkbrules(const Arg *arg);
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
 static void tile(Monitor *m);
@@ -450,6 +451,7 @@ static struct wl_listener lock_listener = {.notify = locksession};
 
 static struct wlr_seat *seat;
 static KeyboardGroup *kb_group;
+static unsigned int kblayout = 0;
 static unsigned int cursor_mode;
 static Client *grabc;
 static Client initial_grabc;
@@ -1065,7 +1067,7 @@ createkeyboardgroup(void)
 
 	/* Prepare an XKB keymap and assign it to the keyboard group. */
 	context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
-	if (!(keymap = xkb_keymap_new_from_names(context, &xkb_rules,
+	if (!(keymap = xkb_keymap_new_from_names(context, &xkb_rules[kblayout],
 				XKB_KEYMAP_COMPILE_NO_FLAGS)))
 		die("failed to compile keymap");
 
@@ -1090,6 +1092,23 @@ createkeyboardgroup(void)
 	return group;
 }
 
+void
+incxkbrules(const Arg *arg)
+{
+	struct xkb_context *context;
+	struct xkb_keymap *keymap;
+  kblayout = (kblayout+1)%LENGTH(xkb_rules);
+
+	context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
+	if (!(keymap = xkb_keymap_new_from_names(context, &xkb_rules[kblayout],
+				XKB_KEYMAP_COMPILE_NO_FLAGS)))
+		die("failed to compile keymap");
+
+  wlr_keyboard_set_keymap(&kb_group->wlr_group->keyboard, keymap);
+	xkb_keymap_unref(keymap);
+	xkb_context_unref(context);
+}
+
 void
 createlayersurface(struct wl_listener *listener, void *data)
 {
-- 
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