commands: add 'reload' command

sway/commands.c

@@ -136,6 +136,7 @@ static struct cmd_handler handlers[] = {
 	{ "input", cmd_input },
 	{ "kill", cmd_kill },
 	{ "output", cmd_output },
+	{ "reload", cmd_reload },
 	{ "seat", cmd_seat },
 	{ "set", cmd_set },
 };

sway/commands/reload.c

@@ -0,0 +1,21 @@
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/layout.h"
+
+struct cmd_results *cmd_reload(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if (config->reading) {
+		return cmd_results_new(CMD_FAILURE, "reload", "Can't be used in config file.");
+	}
+	if ((error = checkarg(argc, "reload", EXPECTED_EQUAL_TO, 0))) {
+		return error;
+	}
+	if (!load_main_config(config->current_config, true)) {
+		return cmd_results_new(CMD_FAILURE, "reload", "Error(s) reloading config.");
+	}
+
+	load_swaybars();
+
+	arrange_windows(&root_container, -1, -1);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/config.c

@@ -698,3 +698,7 @@ char *do_var_replacement(char *str) {
 	}
 	return str;
 }
+
+void load_swaybars() {
+	/* stub function for reload commnd, to fill when we restore swaybars */
+}

sway/meson.build

@@ -34,6 +34,7 @@ sway_sources = files(
 	'commands/input/xkb_rules.c',
 	'commands/input/xkb_variant.c',
 	'commands/output.c',
+	'commands/reload.c',
 	'config.c',
 	'config/output.c',
 	'config/seat.c',