Basic quadtap -> left_click + right_click config

config.c

@@ -392,6 +392,8 @@ load_config(const config_setting_t *config_root, FullConfig *config)
 	const config_setting_t *enums_config = config_setting_get_member(config_root, "enums");
 	const config_setting_t *predicates_config = config_setting_get_member(config_root, "predicates");
 	hash_table_init(&config->constants, NULL);
+	hash_table_insert(&config->constants, hash_table_key_from_cstr("false"), (long long[1]) {0});
+	hash_table_insert(&config->constants, hash_table_key_from_cstr("true"), (long long[1]) {1});
 	populate_event_codes(&config->constants);
 	load_constants_section(constants_config, &config->constants);
 	load_enums_section(enums_config, &config->constants);

quadtap-both-click.cfg

@@ -0,0 +1,119 @@
+enums = {
+	namespaces: ["clickpad"];
+};
+
+predicates = {
+	is_evdev = {
+		type = "code_ns";
+		min = "namespaces.clickpad";
+		max = "namespaces.clickpad";
+	};
+	key_event = {
+		type = "and";
+		args = (
+			"is_evdev",
+			{
+				type = "code_major";
+				min = "event_type.KEY";
+				max = "event_type.KEY";
+			}
+		);
+	};
+	syn_event = {
+		type = "and";
+		args = (
+			"is_evdev",
+			{
+				type = "code_major";
+				min = "event_type.SYN";
+				max = "event_type.SYN";
+			}
+		);
+	};
+	btn_quadtap_event = {
+		type = "and";
+		args = (
+			"key_event",
+			{
+				type = "code_minor";
+				min = "button_event.TOOL_QUADTAP";
+				max = "button_event.TOOL_QUADTAP";
+			}
+		);
+	};
+};
+
+nodes = {
+	clickpad = {
+		type = "evdev";
+		options = {
+			file = "/dev/input/event7";
+			namespace = "namespaces.clickpad";
+		};
+	};
+	select_interesting_events = {
+		type = "router";
+		options = {
+			predicates = ["syn_event", "btn_quadtap_event"];
+		};
+	};
+	quadtap_subst_seq = {
+		type = "tee";
+	};
+	morph_left_click = {
+		type = "assign";
+		options = {
+			minor = "button_event.LEFT";
+		};
+	};
+	morph_right_click = {
+		type = "assign";
+		options = {
+			minor = "button_event.RIGHT";
+		};
+	};
+	merge = {
+		type = "tee";
+	};
+	virtual_out = {
+		type = "uinput";
+		options = {
+			name = "Quadtap gesture";
+			enabled_codes = (
+				{major: "event_type.KEY"; minor: "button_event.LEFT"}
+				,
+				{major: "event_type.KEY"; minor: "button_event.RIGHT"}
+				,
+				{major: "event_type.KEY"; minor: "button_event.MIDDLE"}
+			);
+		};
+	};
+};
+
+channels = ({
+	from: ("clickpad", 0);
+	to: ("select_interesting_events", 0);
+}, {
+	from: ("select_interesting_events", 0);  // EV_SYN
+	to: ("merge", 0);
+}, {
+	from: ("select_interesting_events", 1);  // BTN_TOOL_QUADTAP
+	to: ("quadtap_subst_seq", 0);
+}, {
+	from: ("quadtap_subst_seq", 0);
+	to: ("morph_left_click", 0);
+}, {
+	from: ("quadtap_subst_seq", 1);
+	to: ("morph_right_click", 0);
+}, {
+	from: ("morph_left_click", 0);
+	to: ("merge", 1);
+}, {
+	from: ("morph_right_click", 0);
+	to: ("merge", 2);
+}, {
+	from: ("merge", 0);
+	to: ("virtual_out", 0);
+});
+
+// vim: ft=libconfig