--- rxvt-unicode/src/rxvtperl.xs	2017/07/15 08:16:31	1.242
+++ rxvt-unicode/src/rxvtperl.xs	2021/07/14 12:39:57	1.251
@@ -84,15 +84,15 @@
 
       c.a = rgba::MAX_CC;
 
-      c.r = c.g = c.b = float_to_component (SvIV (*av_fetch (av, 0, 0)));
+      c.r = c.g = c.b = float_to_component (SvNV (*av_fetch (av, 0, 0)));
 
       if (len >= 3)
         {
-          c.g = float_to_component (SvIV (*av_fetch (av, 1, 0)));
-          c.b = float_to_component (SvIV (*av_fetch (av, 2, 0)));
+          c.g = float_to_component (SvNV (*av_fetch (av, 1, 0)));
+          c.b = float_to_component (SvNV (*av_fetch (av, 2, 0)));
 
           if (len >= 4)
-            c.a = float_to_component (SvIV (*av_fetch (av, 3, 0)));
+            c.a = float_to_component (SvNV (*av_fetch (av, 3, 0)));
         }
     }
   else if (s)
@@ -372,15 +372,20 @@
 
 static PerlInterpreter *perl;
 
+#if 0 /* we are not a library anymore, so doing this is just not worth it */
+/*THINK/TODO: this has the side effect of, of course, not calling destructors. */
+/* but therse are not guaranteed anyway... */
 rxvt_perl_interp::~rxvt_perl_interp ()
 {
   if (perl)
     {
+      localise_env set_environ (perl_environ);
       perl_destruct (perl);
       perl_free (perl);
       PERL_SYS_TERM ();
     }
 }
+#endif
 
 void
 rxvt_perl_interp::init ()
@@ -393,7 +398,7 @@
         perl_environ = rxvt_environ;
         localise_env set_environ (perl_environ);
 
-        char *args[] = {
+        const char *args[] = {
           "",
           "-e"
           "BEGIN {"
@@ -401,10 +406,11 @@
           "   unshift @INC, '" LIBDIR "';"
           "}"
           ""
-          "use urxvt;"
+          "use urxvt;",
+          0
         };
-        int argc = ecb_array_length (args);
-        char **argv = args;
+        int argc = ecb_array_length (args) - 1;
+        char **argv = (char **)args;
 
         PERL_SYS_INIT3 (&argc, &argv, &environ);
         perl = perl_alloc ();
@@ -1047,8 +1053,8 @@
     const_iv (PrivMode_MouseBtnEvent),
     const_iv (PrivMode_MouseAnyEvent),
     const_iv (PrivMode_BracketPaste),
-    const_iv (PrivMode_ExtModeMouse),
-    const_iv (PrivMode_ExtMouseRight),
+    const_iv (PrivMode_ExtMouseUTF8),
+    const_iv (PrivMode_ExtMouseUrxvt),
     const_iv (PrivMode_BlinkingCursor),
     const_iv (PrivMode_mouse_report),
     const_iv (PrivMode_Default),
@@ -1563,9 +1569,8 @@
 	CODE:
 {
         RETVAL = THIS->view_start;
-
-        if (newval <= 0)
-          THIS->scr_changeview (max (newval, THIS->top_row));
+        if (items > 1)
+          THIS->scr_changeview (newval);
 }
         OUTPUT:
 	RETVAL
@@ -1785,7 +1790,7 @@
           if (*s == NOCHAR)
             ;
           else if (IS_COMPOSE (*s))
-            dlen += rxvt_composite.expand (*s, 0);
+            dlen += rxvt_composite.expand (*s);
           else
             dlen++;
 
@@ -1833,7 +1838,7 @@
         else
           {
             --rs;
-            name = "";
+            name = (octet_string)"";
           }
 
         if (!IN_RANGE_EXC (index, 0, NUM_RESOURCES))
@@ -2313,13 +2318,20 @@
 #endif
 
 void
+rxvt_term::clr_background ()
+	CODE:
+        delete THIS->bg_img;
+        THIS->bg_img = 0;
+        THIS->bg_flags = rxvt_term::BG_NEEDS_REFRESH;
+
+void
 rxvt_term::set_background (rxvt_img *img, bool border = false)
 	CODE:
         delete THIS->bg_img;
         THIS->bg_img = 0;
-        THIS->bg_flags = 0;
+        THIS->bg_flags = rxvt_term::BG_NEEDS_REFRESH;
 
-        if (img) // TODO: cannot be false
+        //if (img) // TODO: cannot be false, maybe allow and get rid of clr_background?
           {
             img = img->clone (); // own the img
 
@@ -2337,7 +2349,6 @@
                ->replace (img);
 
             THIS->bg_img = img;
-            THIS->bg_flags |= rxvt_term::BG_NEEDS_REFRESH;
 
             if (!border)
               THIS->bg_flags |= rxvt_term::BG_IS_TRANSPARENT;