Fix output transform rotation direction

This patch makes it so users that have configured their screen with a
transform don't have to update their config after the wlroots breaking
change.

References: https://github.com/swaywm/wlroots/pull/2023

1 files changed, 4 insertions, 0 deletions

diff --git a/sway/commands/output/transform.c b/sway/commands/output/transform.c
index 2a3d1d4b..5e6efb5b 100644
--- a/sway/commands/output/transform.c
+++ b/sway/commands/output/transform.c
@@ -50,6 +50,10 @@ struct cmd_results *output_cmd_transform(int argc, char **argv) {
                 return cmd_results_new(CMD_INVALID, "Invalid output transform.");
         }
 
+        // Sway uses clockwise transforms, while WL_OUTPUT_TRANSFORM_* describe
+        // anti-clockwise transforms
+        transform = invert_rotation_direction(transform);
+
         struct output_config *output = config->handler_context.output_config;
         config->handler_context.leftovers.argc = argc - 1;
         config->handler_context.leftovers.argv = argv + 1;