Add support for manually setting subpixel hinting on outputs.

Many laptop screens report unknown subpixel order. Allow users to manually set subpixel hinting to work around this.

Addresses https://github.com/swaywm/sway/issues/3163

1 files changed, 4 insertions, 1 deletions

diff --git a/swaymsg/main.c b/swaymsg/main.c
index 65cc4bbb..f86000a4 100644
--- a/swaymsg/main.c
+++ b/swaymsg/main.c
@@ -186,11 +186,12 @@ static void pretty_print_output(json_object *o) {
         json_object_object_get_ex(o, "focused", &focused);
         json_object_object_get_ex(o, "active", &active);
         json_object_object_get_ex(o, "current_workspace", &ws);
-        json_object *make, *model, *serial, *scale, *transform;
+        json_object *make, *model, *serial, *scale, *subpixel, *transform;
         json_object_object_get_ex(o, "make", &make);
         json_object_object_get_ex(o, "model", &model);
         json_object_object_get_ex(o, "serial", &serial);
         json_object_object_get_ex(o, "scale", &scale);
+        json_object_object_get_ex(o, "subpixel_hinting", &subpixel);
         json_object_object_get_ex(o, "transform", &transform);
         json_object *x, *y;
         json_object_object_get_ex(rect, "x", &x);
@@ -209,6 +210,7 @@ static void pretty_print_output(json_object *o) {
                         "  Current mode: %dx%d @ %f Hz\n"
                         "  Position: %d,%d\n"
                         "  Scale factor: %f\n"
+                        "  Subpixel hinting: %s\n"
                         "  Transform: %s\n"
                         "  Workspace: %s\n",
                         json_object_get_string(name),
@@ -221,6 +223,7 @@ static void pretty_print_output(json_object *o) {
                         (float)json_object_get_int(refresh) / 1000,
                         json_object_get_int(x), json_object_get_int(y),
                         json_object_get_double(scale),
+                        json_object_get_string(subpixel),
                         json_object_get_string(transform),
                         json_object_get_string(ws)
                 );