--- rxvt-unicode/src/screen.C	2013/01/13 17:42:24	1.428
+++ rxvt-unicode/src/screen.C	2013/03/24 10:15:27	1.436
@@ -152,6 +152,16 @@
   } while (col < ncol && l.t[col] == NOCHAR);
 }
 
+// set the rendition of a single wide character beginning at the given column
+void
+rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
+{
+  do {
+    l.r[col] = rend;
+    col++;
+  } while (col < ncol && l.t[col] == NOCHAR);
+}
+
 /* ------------------------------------------------------------------------- *
  *                          SCREEN INITIALISATION                            *
  * ------------------------------------------------------------------------- */
@@ -190,6 +200,16 @@
   row_buf   = swap_buf  + nrow;
 }
 
+void
+rxvt_term::copy_line (line_t &dst, line_t &src)
+{
+  scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
+  dst.l = min (src.l, ncol);
+  memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
+  memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
+  dst.f = src.f;
+}
+
 void ecb_cold
 rxvt_term::scr_reset ()
 {
@@ -232,15 +252,10 @@
   line_t *prev_swap_buf  = swap_buf;
   line_t *prev_row_buf   = row_buf;
 
-  int common_col = min (prev_ncol, ncol);
-
   scr_alloc ();
 
   if (!prev_row_buf)
     {
-      /*
-       * first time called (or after scr_release) so just malloc everything: don't rely on realloc
-       */
       top_row    = 0;
       term_start = 0;
 
@@ -275,15 +290,15 @@
        * add or delete rows as appropriate
        */
 
+      int common_col = min (prev_ncol, ncol);
+
       for (int row = min (nrow, prev_nrow); row--; )
         {
           scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
-          scr_blank_screen_mem (swap_buf  [row], DEFAULT_RSTYLE);
-
           memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
           memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
-          memcpy (swap_buf  [row].t, prev_swap_buf  [row].t, sizeof (text_t) * common_col);
-          memcpy (swap_buf  [row].r, prev_swap_buf  [row].r, sizeof (rend_t) * common_col);
+
+          copy_line (swap_buf [row], prev_swap_buf [row]);
         }
 
       int p    = MOD (term_start + prev_nrow, prev_total_rows);  // previous row
@@ -388,11 +403,7 @@
               line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
               line_t &dst = row_buf [row];
 
-              scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
-
-              memcpy (dst.t, src.t, sizeof (text_t) * common_col);
-              memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
-              dst.l = common_col;
+              copy_line (dst, src);
             }
 
           for (int row = prev_nrow; row < nrow; row++)
@@ -2035,12 +2046,10 @@
   int16_t col, row,   /* column/row we're processing               */
           ocrow;      /* old cursor row                            */
   int i;              /* tmp                                       */
-#ifndef NO_CURSORCOLOR
-  rend_t cc1;         /* store colours at cursor position (s)      */
-#endif
-  rend_t *crp;        // cursor rendition pointer
   rend_t ccol1,  /* Cursor colour       */
          ccol2;  /* Cursor colour2      */
+  rend_t cur_rend;
+  int cur_col;
 
   want_refresh = 0;        /* screen is current */
 
@@ -2089,10 +2098,10 @@
         while (col && ROW(screen.cur.row).t[col] == NOCHAR)
           col--;
 
-        crp = &ROW(screen.cur.row).r[col];
+        cur_rend = ROW(screen.cur.row).r[col];
+        cur_col = col;
 
 #ifndef NO_CURSORCOLOR
-        cc1 = *crp & (RS_fgMask | RS_bgMask);
         if (ISSET_PIXCOLOR (Color_cursor))
           ccol1 = Color_cursor;
         else
@@ -2116,14 +2125,18 @@
 
         if (focus)
           {
+            rend_t rend = cur_rend;
+
             if (option (Opt_cursorUnderline))
-              *crp ^= RS_Uline;
+              rend ^= RS_Uline;
             else
               {
-                *crp ^= RS_RVid;
-                *crp = SET_FGCOLOR (*crp, ccol1);
-                *crp = SET_BGCOLOR (*crp, ccol2);
+                rend ^= RS_RVid;
+                rend = SET_FGCOLOR (rend, ccol1);
+                rend = SET_BGCOLOR (rend, ccol2);
               }
+
+            scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
           }
       }
 
@@ -2452,17 +2465,7 @@
   if (showcursor)
     {
       if (focus)
-        {
-          if (option (Opt_cursorUnderline))
-            *crp ^= RS_Uline;
-          else
-            {
-              *crp ^= RS_RVid;
-#ifndef NO_CURSORCOLOR
-              *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
-#endif
-            }
-        }
+        scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
       else if (oldcursor.row >= 0)
         {
           int cursorwidth = 1;
@@ -2696,6 +2699,20 @@
     CLEAR_ALL_SELECTION ();
 }
 
+void
+rxvt_term::selection_changed () NOTHROW
+{
+  line_t &r1 = ROW (selection.beg.row);
+  while (selection.beg.col >    0 && r1.t [selection.beg.col] == NOCHAR)
+    --selection.beg.col;
+
+  line_t &r2 = ROW (selection.end.row);
+  while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
+    ++selection.end.col;
+
+  want_refresh = 1;
+}
+
 /* ------------------------------------------------------------------------- */
 /*
  * Paste a selection direct to the command fd
@@ -3006,7 +3023,7 @@
  */
 
 /* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
-#define DELIMIT_TEXT(x) 		\
+#define DELIMIT_TEXT(x)		\
     (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
 #define DELIMIT_REND(x)        1
 
@@ -3138,8 +3155,6 @@
     LEFT, RIGHT
   } closeto = RIGHT;
 
-  want_refresh = 1;
-
   switch (selection.op)
     {
       case SELECTION_INIT:
@@ -3328,6 +3343,8 @@
   if (selection.rect && selection.beg.col > selection.end.col)
     ::swap (selection.beg.col, selection.end.col);
 #endif
+
+  selection_changed ();
 }
 
 #if !ENABLE_MINIMAL