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Closing window with currently opened date picker pop up yields exception #82

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WiseEagleOwl opened this issue Aug 18, 2019 · 1 comment
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Closing window with currently opened date picker pop up yields exception #82

WiseEagleOwl opened this issue Aug 18, 2019 · 1 comment

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@WiseEagleOwl
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Setup:

  • open JFrame window with a DatePicker on it.
  • the date picker popup (the one to visually select a date) is opened

Problem:

Closing the JFrame-window without closing the pop up first yields the following exception:

Exception in thread "AWT-EventQueue-0" java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
	at java.desktop/java.awt.Component.getLocationOnScreen_NoTreeLock(Component.java:2101)
	at java.desktop/java.awt.Component.getLocationOnScreen(Component.java:2075)
	at com.github.lgooddatepicker.zinternaltools.InternalUtilities.isMouseWithinComponent(InternalUtilities.java:417)
	at com.github.lgooddatepicker.zinternaltools.CustomPopup.windowLostFocus(CustomPopup.java:267)
	at java.desktop/java.awt.Window.processWindowFocusEvent(Window.java:2128)
	at java.desktop/java.awt.Window.processEvent(Window.java:2041)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5008)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2772)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4840)
	at java.desktop/java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1950)
	at java.desktop/java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:1059)
	at java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:813)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4889)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2772)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4840)
	at [...]

Steps to Reproduce:

The exception can be reproduced with the following code:

DatePicker datePicker = new DatePicker();
JFrame testWin = new JFrame();
testWin.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
testWin.add(datePicker);
testWin.pack();
testWin.setVisible(true);
Thread.sleep(20);
datePicker.openPopup();
Thread.sleep(20);
testWin.dispatchEvent(new WindowEvent(testWin, WindowEvent.WINDOW_CLOSING));
WiseEagleOwl added a commit to WiseEagleOwl/LGoodDatePicker that referenced this issue Aug 18, 2019
@WiseEagleOwl
Add test reproducing issue LGoodDatePicker#82
8cc08e8
WiseEagleOwl added a commit to WiseEagleOwl/LGoodDatePicker that referenced this issue Aug 18, 2019
@WiseEagleOwl
Fix issue LGoodDatePicker#82
d9c20e5
@WiseEagleOwl WiseEagleOwl mentioned this issue Aug 18, 2019
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@WiseEagleOwl
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This issue is solved with the merge of PR #83 🙂

@WiseEagleOwl WiseEagleOwl mentioned this issue Mar 21, 2020
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@WiseEagleOwl