[Emacs-diffs] emacs-25 06a872b: Fix redisplay on a TTY after 'make-frame'

[Eli Zaretskii]

branch: emacs-25
commit 06a872b71d6580e0699600844bb9526602437990
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>

    Fix redisplay on a TTY after 'make-frame'
    
    * src/xdisp.c (clear_garbaged_frames): Don't clear/redraw a
    garbaged TTY frame if it is not the selected frame.  (Bug#22794)
---
 src/xdisp.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/src/xdisp.c b/src/xdisp.c
index fed5879..dec9947 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -11232,6 +11232,7 @@ clear_garbaged_frames (void)
   if (frame_garbaged)
     {
       Lisp_Object tail, frame;
+      struct frame *sf = SELECTED_FRAME ();
 
       FOR_EACH_FRAME (tail, frame)
        {
@@ -11239,7 +11240,13 @@ clear_garbaged_frames (void)
 
          if (FRAME_VISIBLE_P (f) && FRAME_GARBAGED_P (f))
            {
-             if (f->resized_p)
+             if (f->resized_p
+                 /* It makes no sense to redraw a non-selected TTY
+                    frame, since that will actually clear the
+                    selected frame, and might leave the selected
+                    frame with corrupted display, if it happens not
+                    to be marked garbaged.  */
+                 && !(f != sf && (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f))))
                redraw_frame (f);
              else
                clear_current_matrices (f);