1 files changed, 39 insertions, 0 deletions

diff --git a/sway/commands/output/transform.c b/sway/commands/output/transform.c
new file mode 100644
index 00000000..f9a94d64
--- /dev/null
+++ b/sway/commands/output/transform.c
@@ -0,0 +1,39 @@
+#include <string.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+
+struct cmd_results *output_cmd_transform(int argc, char **argv) {
+        if (!config->handler_context.output_config) {
+                return cmd_results_new(CMD_FAILURE, "output", "Missing output config");
+        }
+        if (!argc) {
+                return cmd_results_new(CMD_INVALID, "output",
+                        "Missing transform argument.");
+        }
+
+        struct output_config *output = config->handler_context.output_config;
+        if (strcmp(*argv, "normal") == 0) {
+                output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
+        } else if (strcmp(*argv, "90") == 0) {
+                output->transform = WL_OUTPUT_TRANSFORM_90;
+        } else if (strcmp(*argv, "180") == 0) {
+                output->transform = WL_OUTPUT_TRANSFORM_180;
+        } else if (strcmp(*argv, "270") == 0) {
+                output->transform = WL_OUTPUT_TRANSFORM_270;
+        } else if (strcmp(*argv, "flipped") == 0) {
+                output->transform = WL_OUTPUT_TRANSFORM_FLIPPED;
+        } else if (strcmp(*argv, "flipped-90") == 0) {
+                output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_90;
+        } else if (strcmp(*argv, "flipped-180") == 0) {
+                output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_180;
+        } else if (strcmp(*argv, "flipped-270") == 0) {
+                output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_270;
+        } else {
+                return cmd_results_new(CMD_INVALID, "output",
+                        "Invalid output transform.");
+        }
+
+        config->handler_context.leftovers.argc = argc - 1;
+        config->handler_context.leftovers.argv = argv + 1;
+        return NULL;
+}