bpo-38943: Fix IDLE autocomplete window not always appearing (GH-17416)

This has happened on some versions of Ubuntu. (cherry picked from commit bbc4162) Co-authored-by: JohnnyNajera <58344607+JohnnyNajera@users.noreply.github.com>
python · Dec 10, 2019 · 1b0e88dde146eb290735f4b486d4a67074132100 · 1b0e88d
1 parent 4e0e452
commit 1b0e88dde146eb290735f4b486d4a67074132100
Unified Split

Showing with 6 additions and 0 deletions.

+3 −0 Lib/idlelib/NEWS.txt

+1 −0 Lib/idlelib/autocomplete_w.py

+2 −0 Misc/NEWS.d/next/IDLE/2019-11-29-23-44-11.bpo-38943.8pUKKs.rst
diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
@@ -3,6 +3,9 @@ Released on 2019-12-16?
 ======================================
 
 
+bpo-38943: Fix autocomplete windows not always appearing on some
+systems.  Patch by Johnny Najera.
+
 bpo-38944: Excape key now closes IDLE completion windows.  Patch by
 Johnny Najera.
 

diff --git a/Lib/idlelib/autocomplete_w.py b/Lib/idlelib/autocomplete_w.py
@@ -257,6 +257,7 @@ def winconfig_event(self, event):
             # place acw above current line
             new_y -= acw_height
         acw.wm_geometry("+%d+%d" % (new_x, new_y))
+        acw.update_idletasks()
 
         if platform.system().startswith('Windows'):
             # See issue 15786. When on Windows platform, Tk will misbehave

diff --git a/Misc/NEWS.d/next/IDLE/2019-11-29-23-44-11.bpo-38943.8pUKKs.rst b/Misc/NEWS.d/next/IDLE/2019-11-29-23-44-11.bpo-38943.8pUKKs.rst
@@ -0,0 +1,2 @@
+Fix IDLE autocomplete windows not always appearing on some systems.
+Patch by Johnny Najera.