swayfx/sway/commands/output/dpms.c

#include "sway/commands.h"
#include "sway/config.h"
#include "sway/output.h"
#include "util.h"
#include <strings.h>

struct cmd_results *output_cmd_dpms(int argc, char **argv) {
	if (!config->handler_context.output_config) {
		return cmd_results_new(CMD_FAILURE, "Missing output config");
	}
	if (!argc) {
		return cmd_results_new(CMD_INVALID, "Missing dpms argument.");
	}

	enum config_dpms current_dpms = DPMS_ON;

	if (strcasecmp(argv[0], "toggle") == 0) {

		const char *oc_name = config->handler_context.output_config->name;
		if (strcmp(oc_name, "*") == 0) {
			return cmd_results_new(CMD_INVALID,
					"Cannot apply toggle to all outputs.");
		}

		struct sway_output *sway_output = all_output_by_name_or_id(oc_name);
		if (!sway_output || !sway_output->wlr_output) {
			return cmd_results_new(CMD_FAILURE,
					"Cannot apply toggle to unknown output %s", oc_name);
		}

		if (sway_output->enabled && !sway_output->wlr_output->enabled) {
			current_dpms = DPMS_OFF;
		}
	}

	if (parse_boolean(argv[0], current_dpms == DPMS_ON)) {
		config->handler_context.output_config->dpms_state = DPMS_ON;
	} else {
		config->handler_context.output_config->dpms_state = DPMS_OFF;
	}

	config->handler_context.leftovers.argc = argc - 1;
	config->handler_context.leftovers.argv = argv + 1;
	return NULL;
}