main: Move rect related macro to util-private.h

No reason that it should be in main-private.h, lets place it in
util-private.h. This also mean we can remove main-private.h.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1833>

src/core/main-private.h

@@ -37,12 +37,6 @@ typedef enum _MetaX11DisplayPolicy
   META_X11_DISPLAY_POLICY_DISABLED,
 } MetaX11DisplayPolicy;
 
-#define META_POINT_IN_RECT(xcoord, ycoord, rect) \
- ((xcoord) >= (rect).x &&                   \
-  (xcoord) <  ((rect).x + (rect).width) &&  \
-  (ycoord) >= (rect).y &&                   \
-  (ycoord) <  ((rect).y + (rect).height))
-
 #define META_GRAB_OP_GET_BASE_TYPE(op) (op & 0x00FF)
 
 META_EXPORT_TEST

src/core/stack.c

@@ -32,7 +32,6 @@
 #include "backends/meta-logical-monitor.h"
 #include "cogl/cogl.h"
 #include "core/frame.h"
-#include "core/main-private.h"
 #include "core/meta-workspace-manager-private.h"
 #include "core/window-private.h"
 #include "meta/group.h"

src/core/util-private.h

@@ -45,4 +45,10 @@ char *   meta_generate_random_id (GRand *rand,
 
 void meta_init_debug_utils (void);
 
+#define META_POINT_IN_RECT(xcoord, ycoord, rect) \
+  ((xcoord) >= (rect).x &&                   \
+   (xcoord) <  ((rect).x + (rect).width) &&  \
+   (ycoord) >= (rect).y &&                   \
+   (ycoord) <  ((rect).y + (rect).height))
+
 #endif