Assign a number to each screen using a numset

A number is added to rp_screen to identify every screen.
The screen numbers are affected at ratpoison start, when screens are
sorted.

On screen addition, a new number is requested.
On screen deletion, the screen number is released.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/data.h b/src/data.h
index 1e640e7..8019ec8 100644
--- a/src/data.h
+++ b/src/data.h
@@ -153,6 +153,9 @@ struct rp_group
 struct rp_global_screen
 {
   unsigned long fg_color, bg_color, fw_color, bw_color; /* The pixel color. */
+
+  /* This numset is responsible for giving out numbers for each screen */
+  struct numset *numset;
 };
 
 struct xrandr_info {
@@ -170,6 +173,9 @@ struct rp_screen
   Colormap def_cmap;
   Cursor rat;
 
+  /* Screen number, handled by rp_global_screen numset */
+  int number;
+
   struct xrandr_info xrandr;
 
   /* Here to abstract over the Xrandr vs X screens difference */