# HG changeset patch
# User David Barts <n5jrn@me.com>
# Date 1586717172 25200
# Node ID 965435b85a69ef3b3be674c9ee0a91a3179a83e0
# Parent  39b977021ea17e0a714b7ce09a95e9bc90de5abc
Get rid of some stuttering.

diff -r 39b977021ea1 -r 965435b85a69 src/name/blackcap/exifwasher/Main.kt
--- a/src/name/blackcap/exifwasher/Main.kt	Sat Apr 11 16:12:59 2020 -0700
+++ b/src/name/blackcap/exifwasher/Main.kt	Sun Apr 12 11:46:12 2020 -0700
@@ -12,8 +12,8 @@
     val MYNAME = "ExifWasher"
 
     /* global UI objects */
-    var mainFrame: MainFrame by SetOnce<MainFrame>()
-    var settingsDialog: SettingsDialog by SetOnce<SettingsDialog>()
+    var mainFrame: MainFrame by setOnce()
+    var settingsDialog: SettingsDialog by setOnce()
 
     fun initialize() {
         UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
diff -r 39b977021ea1 -r 965435b85a69 src/name/blackcap/exifwasher/Misc.kt
--- a/src/name/blackcap/exifwasher/Misc.kt	Sat Apr 11 16:12:59 2020 -0700
+++ b/src/name/blackcap/exifwasher/Misc.kt	Sun Apr 12 11:46:12 2020 -0700
@@ -23,7 +23,7 @@
  * needed in Swing, because some vars inevitably need to be declared at
  * outer levels but initialized in the Swing event dispatch thread.
  */
-class SetOnce<T: Any>: ReadWriteProperty<Any?,T> {
+class SetOnceImpl<T>: ReadWriteProperty<Any?,T> {
     private var setOnceValue: T? = null
 
     override operator fun getValue(thisRef: Any?, property: KProperty<*>): T {
@@ -43,6 +43,8 @@
     }
 }
 
+fun <T> setOnce(): SetOnceImpl<T> = SetOnceImpl<T>()
+
 /**
  * Run something in the Swing thread, asynchronously.
  * @param block lambda containing code to run