seat configuration

include/sway/commands.h

@@ -180,6 +180,7 @@ sway_cmd bar_colors_cmd_statusline;
 sway_cmd bar_colors_cmd_focused_statusline;
 sway_cmd bar_colors_cmd_urgent_workspace;
 
+sway_cmd input_cmd_seat;
 sway_cmd input_cmd_accel_profile;
 sway_cmd input_cmd_click_method;
 sway_cmd input_cmd_drag_lock;

include/sway/config.h

@@ -69,6 +69,7 @@ struct input_config {
 
 	bool capturable;
 	struct wlr_box region;
+	char *seat;
 };
 
 /**

sway/commands.c

@@ -123,6 +123,7 @@ static int handler_compare(const void *_a, const void *_b) {
 	return strcasecmp(a->command, b->command);
 }
 
+// must be in order for the bsearch
 static struct cmd_handler input_handlers[] = {
 	{ "accel_profile", input_cmd_accel_profile },
 	{ "click_method", input_cmd_click_method },
@@ -134,6 +135,7 @@ static struct cmd_handler input_handlers[] = {
 	{ "natural_scroll", input_cmd_natural_scroll },
 	{ "pointer_accel", input_cmd_pointer_accel },
 	{ "scroll_method", input_cmd_scroll_method },
+	{ "seat", input_cmd_seat },
 	{ "tap", input_cmd_tap },
 };
 

sway/commands/input/seat.c

@@ -0,0 +1,28 @@
+#define _XOPEN_SOURCE 700
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "sway/input/input-manager.h"
+#include "log.h"
+
+struct cmd_results *input_cmd_seat(int argc, char **argv) {
+	sway_log(L_DEBUG, "seat for device:  %d %s",
+		current_input_config==NULL, current_input_config->identifier);
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "seat", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	if (!current_input_config) {
+		return cmd_results_new(CMD_FAILURE, "seat",
+			"No input device defined.");
+	}
+	struct input_config *new_config =
+		new_input_config(current_input_config->identifier);
+
+	// TODO validate seat name
+	free(new_config->seat);
+	new_config->seat = strdup(argv[0]);
+
+	input_cmd_apply(new_config);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/config.c

@@ -300,6 +300,7 @@ void free_input_config(struct input_config *ic) {
 		return;
 	}
 	free(ic->identifier);
+	free(ic->seat);
 	free(ic);
 }
 

sway/input/input-manager.c

@@ -104,7 +104,9 @@ static void input_add_notify(struct wl_listener *listener, void *data) {
 		}
 	}
 
-	struct sway_seat *seat = input_manager_get_seat(input, default_seat);
+	const char *seat_name =
+		(sway_device->config ? sway_device->config->seat : default_seat);
+	struct sway_seat *seat = input_manager_get_seat(input, seat_name);
 	sway_seat_add_device(seat, sway_device);
 }
 
@@ -176,9 +178,9 @@ void sway_input_manager_set_focus(struct sway_input_manager *input,
 }
 
 void sway_input_manager_apply_config(struct sway_input_manager *input,
-		struct input_config *config) {
+		struct input_config *input_config) {
 	struct sway_input_device *sway_device =
-		input_sway_device_from_config(input, config);
+		input_sway_device_from_config(input, input_config);
 	if (!sway_device) {
 		return;
 	}
@@ -188,7 +190,8 @@ void sway_input_manager_apply_config(struct sway_input_manager *input,
 		sway_seat_remove_device(seat, sway_device);
 	}
 
-	seat = input_manager_get_seat(input, default_seat);
+	const char *seat_name = (input_config->seat ? input_config->seat : default_seat);
+	seat = input_manager_get_seat(input, seat_name);
 	sway_seat_add_device(seat, sway_device);
 }
 

sway/meson.build

@@ -11,6 +11,7 @@ sway_sources = files(
 	'commands/exec_always.c',
 	'commands/include.c',
 	'commands/input.c',
+	'commands/input/seat.c',
 	'commands/input/accel_profile.c',
 	'commands/input/click_method.c',
 	'commands/input/drag_lock.c',