From 668bcfc82e56ae5c4715964e52acad73fef2569b Mon Sep 17 00:00:00 2001
From: Leland Lucius <github@homerow.net>
Date: Sun, 8 Mar 2020 23:18:51 -0500
Subject: [PATCH] Bug 2315 - Mac: Keyboard Preferences is unusable until
 scrolled.

Second attempt with this bug.  I see a pattern emerging for my
"fixes"!!! :-(
---
 src/prefs/ExtImportPrefs.cpp | 8 +++++---
 src/prefs/KeyConfigPrefs.cpp | 5 ++++-
 src/prefs/MousePrefs.cpp     | 5 ++++-
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/prefs/ExtImportPrefs.cpp b/src/prefs/ExtImportPrefs.cpp
index 3b7b8a7a1..1e7b5cece 100644
--- a/src/prefs/ExtImportPrefs.cpp
+++ b/src/prefs/ExtImportPrefs.cpp
@@ -221,9 +221,11 @@ bool ExtImportPrefs::Commit()
 void ExtImportPrefs::OnShow(wxShowEvent &event)
 {
    event.Skip();
-
-   RuleTable->Refresh();
-   PluginList->Refresh();
+   if (event.IsShown())
+   {
+      RuleTable->Refresh();
+      PluginList->Refresh();
+   }
 }
 
 void ExtImportPrefs::OnPluginKeyDown(wxListEvent& event)
diff --git a/src/prefs/KeyConfigPrefs.cpp b/src/prefs/KeyConfigPrefs.cpp
index c05ec3964..65f80a25e 100644
--- a/src/prefs/KeyConfigPrefs.cpp
+++ b/src/prefs/KeyConfigPrefs.cpp
@@ -469,7 +469,10 @@ void KeyConfigPrefs::OnShow(wxShowEvent & event)
 {
    event.Skip();
 
-   mView->Refresh();
+   if (event.IsShown())
+   {
+      mView->Refresh();
+   }
 }
 
 void KeyConfigPrefs::OnImport(wxCommandEvent & WXUNUSED(event))
diff --git a/src/prefs/MousePrefs.cpp b/src/prefs/MousePrefs.cpp
index d410b6748..9f15f5305 100644
--- a/src/prefs/MousePrefs.cpp
+++ b/src/prefs/MousePrefs.cpp
@@ -221,7 +221,10 @@ void MousePrefs::OnShow(wxShowEvent &event)
 {
    event.Skip();
 
-   mList->Refresh();
+   if (event.IsShown())
+   {
+      mList->Refresh();
+   }
 }
 
 /// Update the preferences stored on disk.