(mark_window_display_accurate, redisplay_internal):

Test highlight_nonselected_windows.
(display_text_line): Likewise (in more places).
(syms_of_xdisp): Initialize highlight_nonselected_windows to 0.

diff --git a/src/xdisp.c b/src/xdisp.c
index 37cf8f1820812e6dd1ef581814cb8078e9aa791d..91036b56fa0428df836b611b9cad9c85de582bf9 100644 (file)
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1086,7 +1086,8 @@ redisplay_internal (preserve_echo_area)
         then we can't just move the cursor.  */
       else if (! (!NILP (Vtransient_mark_mode)
                  && !NILP (current_buffer->mark_active))
-              && w == XWINDOW (current_buffer->last_selected_window)
+              && (w == XWINDOW (current_buffer->last_selected_window)
+                  || highlight_nonselected_windows)
               && NILP (w->region_showing)
               && !cursor_in_echo_area)
        {
@@ -1274,7 +1275,8 @@ update:
          /* Record if we are showing a region, so can make sure to
             update it fully at next redisplay.  */
          w->region_showing = (!NILP (Vtransient_mark_mode)
-                              && w == XWINDOW (current_buffer->last_selected_window)
+                              && (w == XWINDOW (current_buffer->last_selected_window)
+                                  || highlight_nonselected_windows)
                               && !NILP (XBUFFER (w->buffer)->mark_active)
                               ? Fmarker_position (XBUFFER (w->buffer)->mark)
                               : Qnil);
@@ -1356,7 +1358,8 @@ mark_window_display_accurate (window, flag)
          /* Record if we are showing a region, so can make sure to
             update it fully at next redisplay.  */
          w->region_showing = (!NILP (Vtransient_mark_mode)
-                              && w == XWINDOW (current_buffer->last_selected_window)
+                              && (w == XWINDOW (current_buffer->last_selected_window)
+                                  || highlight_nonselected_windows)
                               && !NILP (XBUFFER (w->buffer)->mark_active)
                               ? Fmarker_position (XBUFFER (w->buffer)->mark)
                               : Qnil);
@@ -2782,7 +2785,8 @@ display_text_line (w, start, vpos, hpos, taboffset, ovstr_done)
   /* 1 if we should highlight the region.  */
   int highlight_region
     = (!NILP (Vtransient_mark_mode) && !NILP (current_buffer->mark_active)
-       && XWINDOW (current_buffer->last_selected_window) == w);
+       && (XWINDOW (current_buffer->last_selected_window) == w
+          || highlight_nonselected_windows));
   int region_beg, region_end;
 
   int selective = (INTEGERP (current_buffer->selective_display)
@@ -4903,7 +4907,7 @@ of the top or bottom of the window.");
 
   DEFVAR_BOOL ("highlight-nonselected-windows", &highlight_nonselected_windows,
     "*Non-nil means highlight region even in nonselected windows.");
-  highlight_nonselected_windows = 1;
+  highlight_nonselected_windows = 0;
 
   DEFVAR_BOOL ("multiple-frames", &multiple_frames,
     "Non-nil if more than one frame is visible on this display.\n\