feat: round bar on smart corners

also take in the i3 ipc code to support custom messages

sims/main.py

@@ -12,7 +12,7 @@ else:
     logger.configure(handlers=[{"sink": sys.stderr, "level": LOG_LEVEL, "format": "{time} | {level} | {name}:{function}:{line} - {message}"}])
 
 from fabric import Application
-from fabric.i3 import I3, I3MessageType
+from sims.services.i3 import I3, I3MessageType
 from fabric.system_tray.widgets import SystemTray
 from fabric.widgets.wayland import WaylandWindow as Window
 from fabric.utils import (
@@ -105,13 +105,34 @@ def screenrec_stop():
     if screenrec_service is not None:
         screenrec_service.stop()
 
+
+def _set_all_bars_rounded(rounded: bool):
+    for bar in bar_windows:
+        bar.set_corners_rounded(rounded)
+
+
+@Application.action()
+def set_bar_corners_rounded():
+    _set_all_bars_rounded(True)
+
+
+@Application.action()
+def set_bar_corners_flat():
+    _set_all_bars_rounded(False)
+
+
+@Application.action()
+def toggle_bar_corners():
+    new_state = not any(bar.corners_rounded for bar in bar_windows)
+    _set_all_bars_rounded(new_state)
+
 # Load CSS - use Stylix if enabled, otherwise use default
 if STYLIX.get("enable", False):
     stylix_css_path = get_stylix_css_path()
     if stylix_css_path:
         logger.info("[Bar] Using Stylix CSS")
         app.set_stylesheet_from_file(get_relative_path("styles/main.css"))
-        app.set_stylesheet_from_file(stylix_css_path)
+        app.set_stylesheet_from_file(stylix_css_path, append=True)
     else:
         logger.warning("[Bar] Stylix enabled but CSS generation failed, falling back to default")
         app.set_stylesheet_from_file(get_relative_path("styles/main.css"))