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Code Issues Releases Wiki Activity

Fixed potential timing-based stack trace

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dragonmacher 2021-01-28 09:40:54 -05:00
parent 4066f640cb
commit c8626eec1d
1 changed files with 7 additions and 2 deletions
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9
Ghidra/Framework/Docking/src/main/java/docking/ComponentProvider.java
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@ -204,13 +204,18 @@ public abstract class ComponentProvider implements HelpDescriptor, ActionContext
// Default implementation
public void requestFocus() {
JComponent component = getComponent();
if (component == null) {
return; // this shouldn't happen; this implies we have been disposed
}
KeyboardFocusManager kfm = KeyboardFocusManager.getCurrentKeyboardFocusManager();
Component focusOwner = kfm.getFocusOwner();
if (focusOwner != null && SwingUtilities.isDescendingFrom(focusOwner, getComponent())) {
if (focusOwner != null && SwingUtilities.isDescendingFrom(focusOwner, component)) {
return;
}
getComponent().requestFocus();
component.requestFocus();
}
/**