render: make CSD border and title size globally accessible

render.c

@@ -24,6 +24,9 @@
 #define min(x, y) ((x) < (y) ? (x) : (y))
 #define max(x, y) ((x) > (y) ? (x) : (y))
 
+const int csd_border_size = 5;
+const int csd_title_size = 20;
+
 struct renderer {
     struct fdm *fdm;
     struct wayland *wayl;

wayland.h

@@ -82,6 +82,9 @@ struct wl_primary {
     uint32_t serial;
 };
 
+extern const int csd_border_size;
+extern const int csd_title_size;
+
 struct wayland;
 struct wl_window {
     struct terminal *term;