Implement output toggle

discussed in #4136, this can't handle wildcard but won't crash.

1 files changed, 37 insertions, 0 deletions

diff --git a/sway/commands/output/toggle.c b/sway/commands/output/toggle.c
new file mode 100644
index 00000000..6342d526
--- /dev/null
+++ b/sway/commands/output/toggle.c
@@ -0,0 +1,37 @@
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/output.h"
+
+struct cmd_results *output_cmd_toggle(int argc, char **argv) {
+	if (!config->handler_context.output_config) {
+		return cmd_results_new(CMD_FAILURE, "Missing output config");
+	}
+
+	struct output_config *oc = config->handler_context.output_config;
+
+	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 == NULL) {
+		return cmd_results_new(CMD_FAILURE,
+				"Cannot apply toggle to unknown output %s", oc->name);
+	}
+
+	oc = find_output_config(sway_output);
+
+	if (!oc || oc->enabled != 0) {
+		config->handler_context.output_config->enabled = 0;
+	} else {
+		config->handler_context.output_config->enabled = 1;
+	}
+
+	free(oc);
+	config->handler_context.leftovers.argc = argc;
+	config->handler_context.leftovers.argv = argv;
+	return NULL;
+}
+