tAdd function to find a monitor from an absolute coordinate - libwm - X windows manipulation library
  HTML git clone git://z3bra.org/libwm
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit d10dc9ebb2ef7eaed2bc48331b50e808354beebb
   DIR parent 71c9d52b8c7f57d9078e83a4812689ecc885d4e7
  HTML Author: Willy Goiffon <dev@z3bra.org>
       Date:   Wed, 17 Jun 2020 10:11:42 +0200
       
       Add function to find a monitor from an absolute coordinate
       
       Diffstat:
         M README.md                           |       1 +
         M libwm.c                             |      24 ++++++++++++++++++++++++
         M wm.h                                |       6 ++++++
       
       3 files changed, 31 insertions(+), 0 deletions(-)
       ---
   DIR diff --git a/README.md b/README.md
       t@@ -47,6 +47,7 @@ Here is the list of all functions provided by `libwm`:
                wm_restack(wid, mode);
                wm_reg_event(wid, mask);
                wm_get_monitors(wid, list);
       +        wm_get_monitor(index);
        
        Their usage is specified in the `wm.h` header file, as it is quite small for
        now.
   DIR diff --git a/libwm.c b/libwm.c
       t@@ -574,3 +574,27 @@ wm_get_monitor(int index)
                free(r);
                return NULL;
        }
       +
       +int
       +wm_find_monitor(int x, int y)
       +{
       +        /* patch me if you use more than 64 monitors, and get a reward! */
       +        int i, n, monitors[64];
       +        xcb_randr_monitor_info_t *p;
       +
       +        n = wm_get_monitors(scrn->root, monitors);
       +        for (i = 0; i < n; i++) {
       +                p = wm_get_monitor(monitors[i]);
       +                if (!p)
       +                        continue;
       +
       +                if (p->x <= x && p->x + p->width  >= x
       +                 && p->y <= y && p->y + p->height >= y) {
       +                        free(p);
       +                        return monitors[i];
       +                }
       +                free(p);
       +        }
       +
       +        return -1;
       +}
   DIR diff --git a/wm.h b/wm.h
       t@@ -247,4 +247,10 @@ int wm_get_monitors(xcb_window_t wid, int *list);
         */
        xcb_randr_monitor_info_t *wm_get_monitor(int index);
        
       +/*
       + * Return the index of the (first) monitor associated with the
       + * coordinates.
       + */
       +int wm_find_monitor(int x, int y);
       +
        #endif /* __LIBWM_H__ */