style/ci: apply clang-format and verify it in ci (#4039)

* style: apply clang-format

* ci: add new clang-format job to CI

src/render/decorations/DecorationPositioner.hpp

@@ -9,14 +9,12 @@
 class CWindow;
 class IHyprWindowDecoration;
 
-enum eDecorationPositioningPolicy
-{
+enum eDecorationPositioningPolicy {
     DECORATION_POSITION_ABSOLUTE = 0, /* Decoration wants absolute positioning */
     DECORATION_POSITION_STICKY,       /* Decoration is stuck to some edge of a window */
 };
 
-enum eDecorationEdges
-{
+enum eDecorationEdges {
     DECORATION_EDGE_TOP    = 1 << 0,
     DECORATION_EDGE_BOTTOM = 1 << 1,
     DECORATION_EDGE_LEFT   = 1 << 2,

src/render/decorations/IHyprWindowDecoration.hpp

@@ -4,24 +4,21 @@
 #include "../../helpers/Region.hpp"
 #include "DecorationPositioner.hpp"
 
-enum eDecorationType
-{
+enum eDecorationType {
     DECORATION_NONE = -1,
     DECORATION_GROUPBAR,
     DECORATION_SHADOW,
     DECORATION_CUSTOM
 };
 
-enum eDecorationLayer
-{
+enum eDecorationLayer {
     DECORATION_LAYER_BOTTOM = 0, /* lowest. */
     DECORATION_LAYER_UNDER,      /* under the window, but above BOTTOM */
     DECORATION_LAYER_OVER,       /* above the window, but below its popups */
     DECORATION_LAYER_OVERLAY     /* above everything of the window, including popups */
 };
 
-enum eDecorationFlags
-{
+enum eDecorationFlags {
     DECORATION_ALLOWS_MOUSE_INPUT  = 1 << 0, /* this decoration accepts mouse input */
     DECORATION_PART_OF_MAIN_WINDOW = 1 << 1, /* this decoration is a *seamless* part of the main window, so stuff like shadows will include it */
     DECORATION_NON_SOLID           = 1 << 2, /* this decoration is not solid. Other decorations should draw on top of it. Example: shadow */