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fix a circular reference problem

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This commit is contained in:
pavlov%netscape.com 2000-03-31 12:48:41 +00:00
parent bf81ae3827
commit 8220f002ed
1 changed files with 9 additions and 1 deletions
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10
widget/src/gtk/nsWindow.cpp
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@ -181,6 +181,13 @@ NS_IMETHODIMP nsWindow::Destroy(void)
if (mMozArea)
gtk_object_remove_data(GTK_OBJECT(mMozArea), "nsWindow");
/* XXX we should really use a weak ref for gRollupWidget */
/* if we are the rollup listener, lets null it out which will decrease our ref */
if (gRollupWidget == this) {
gRollupListener = nsnull;
gRollupWidget = nsnull;
}
return nsWidget::Destroy();
}
@ -729,8 +736,9 @@ NS_IMETHODIMP nsWindow::CaptureRollupEvents(nsIRollupListener * aListener,
}
gRollupConsumeRollupEvent = PR_TRUE;
gRollupListener = aListener;
gRollupWidget = this;
/* this will cause a circular ref. we null it out in Destroy(), but we should really be using a weak ref */
gRollupWidget = this;
} else {
// make sure that the grab window is marked as released
if (mGrabWindow == this) {