Fix output transform anticlockwise

This wouldn't have any effect if the transform was flipped.

1 files changed, 20 insertions, 1 deletions

diff --git a/sway/commands/output/transform.c b/sway/commands/output/transform.c
index 8e5324ad..2a3d1d4b 100644
--- a/sway/commands/output/transform.c
+++ b/sway/commands/output/transform.c
@@ -4,6 +4,22 @@
 #include "log.h"
 #include "sway/output.h"
 
+static enum wl_output_transform invert_rotation_direction(
+                enum wl_output_transform t) {
+        switch (t) {
+        case WL_OUTPUT_TRANSFORM_90:
+                return WL_OUTPUT_TRANSFORM_270;
+        case WL_OUTPUT_TRANSFORM_270:
+                return WL_OUTPUT_TRANSFORM_90;
+        case WL_OUTPUT_TRANSFORM_FLIPPED_90:
+                return WL_OUTPUT_TRANSFORM_FLIPPED_270;
+        case WL_OUTPUT_TRANSFORM_FLIPPED_270:
+                return WL_OUTPUT_TRANSFORM_FLIPPED_90;
+        default:
+                return t;
+        }
+}
+
 struct cmd_results *output_cmd_transform(int argc, char **argv) {
         if (!config->handler_context.output_config) {
                 return cmd_results_new(CMD_FAILURE, "Missing output config");
@@ -11,6 +27,7 @@ struct cmd_results *output_cmd_transform(int argc, char **argv) {
         if (!argc) {
                 return cmd_results_new(CMD_INVALID, "Missing transform argument.");
         }
+
         enum wl_output_transform transform;
         if (strcmp(*argv, "normal") == 0 ||
                         strcmp(*argv, "0") == 0) {
@@ -32,6 +49,7 @@ struct cmd_results *output_cmd_transform(int argc, char **argv) {
         } else {
                 return cmd_results_new(CMD_INVALID, "Invalid output transform.");
         }
+
         struct output_config *output = config->handler_context.output_config;
         config->handler_context.leftovers.argc = argc - 1;
         config->handler_context.leftovers.argv = argv + 1;
@@ -50,13 +68,14 @@ struct cmd_results *output_cmd_transform(int argc, char **argv) {
                                 "Cannot apply relative transform to unknown output %s", output->name);
                 }
                 if (strcmp(argv[1], "anticlockwise") == 0) {
-                        transform = wlr_output_transform_invert(transform);
+                        transform = invert_rotation_direction(transform);
                 }
                 struct wlr_output *w_output = s_output->wlr_output;
                 transform = wlr_output_transform_compose(w_output->transform, transform);
                 config->handler_context.leftovers.argv += 1;
                 config->handler_context.leftovers.argc -= 1;
         }
+
         output->transform = transform;
         return NULL;
 }