[termdesc] use RGB from XTGETTCAP to set capability

src/lib/in.c

@@ -1246,6 +1246,8 @@ tcap_cb(inputctx* ictx){
         }
       }
     }else if(strncasecmp(s, "524742=", 7) == 0){
+      loginfo("got rgb (%s)\n", s);
+      ictx->initdata->rgb = true;
     }else{
       logdebug("unknown capability=val %s\n", str);
     }

src/lib/in.h

@@ -62,6 +62,7 @@ struct initial_responses {
   unsigned kitty_graphics;     // kitty graphics supported
   uint32_t bg;                 // default background
   bool got_bg;                 // have we read default background?
+  bool rgb;                    // was RGB DirectColor advertised?
   int pixx;                    // screen geometry in pixels
   int pixy;                    // screen geometry in pixels
   int dimx;                    // screen geometry in cells

src/lib/notcurses.c

@@ -95,8 +95,8 @@ notcurses_stop_minimal(void* vnc){
     ret = -1;
   }
   fbuf_reset(f);
-  ret |= mouse_setup(&nc->tcache, NCMICE_NO_EVENTS);
   if(nc->tcache.ttyfd >= 0){
+    ret |= notcurses_mice_disable(nc);
     if(nc->tcache.tpreserved){
       ret |= tcsetattr(nc->tcache.ttyfd, TCSAFLUSH, nc->tcache.tpreserved);
     }

src/lib/termdesc.c

@@ -1044,6 +1044,9 @@ int interrogate_terminfo(tinfo* ti, FILE* out, unsigned utf8,
       ti->dimy = iresp->dimy;
       ti->dimx = iresp->dimx;
     }
+    if(iresp->rgb){
+      ti->caps.rgb = true;
+    }
     if(iresp->pixy && iresp->pixx){
       ti->pixy = iresp->pixy;
       ti->pixx = iresp->pixx;