master e8d35b98bb: Fix flicker during frame resize on Haiku

[Po Lu]

branch: master
commit e8d35b98bb2fd685c83bb9e9da60c00eb7967d5d
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Fix flicker during frame resize on Haiku
    
    * haikuterm.c (haiku_update_end): Call BWindow_Flush directly.
    (haiku_set_vertical_scroll_bar): Stop calling flush_frame.
    (haiku_flush): Only flip buffer of tooltip frames.
---
 src/haikuterm.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/haikuterm.c b/src/haikuterm.c
index 3950e45fe9..413eedd668 100644
--- a/src/haikuterm.c
+++ b/src/haikuterm.c
@@ -1221,7 +1221,7 @@ static void
 haiku_update_end (struct frame *f)
 {
   MOUSE_HL_INFO (f)->mouse_face_defer = false;
-  flush_frame (f);
+  BWindow_Flush (FRAME_HAIKU_WINDOW (f));
 }
 
 static void
@@ -2287,7 +2287,6 @@ haiku_set_vertical_scroll_bar (struct window *w,
                                   bar->width, bar->height);
          BView_move_frame (bar->scroll_bar, left, top,
                            left + width - 1, top + height - 1);
-         flush_frame (WINDOW_XFRAME (w));
          BView_publish_scroll_bar (view, left, top, width, height);
          bar->left = left;
          bar->top = top;
@@ -2515,7 +2514,7 @@ haiku_flush (struct frame *f)
 {
   /* This is needed for tooltip frames to work properly with double
      buffering.  */
-  if (FRAME_DIRTY_P (f))
+  if (FRAME_DIRTY_P (f) && FRAME_TOOLTIP_P (f))
     haiku_flip_buffers (f);
 
   if (FRAME_VISIBLE_P (f) && !FRAME_TOOLTIP_P (f))