QtPropertyBrowser: Fix memory leak & crash. #4
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crash happens on frequent new&delete browser objects: QtTreePropertyBrowser* b = new QtTreePropertyBrowser(); ... delete b; ... QtTreePropertyBrowser* b2 = new QtTreePropertyBrowser(); crashes if b2 == b, caused by leaked map to invalid QtAbstractEditorFactory pointer.
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crash happens on frequent new&delete browser objects:
QtTreePropertyBrowser* b = new QtTreePropertyBrowser();
...
delete b;
...
QtTreePropertyBrowser* b2 = new QtTreePropertyBrowser();
crashes if b2 == b, caused by leaked map to invalid QtAbstractEditorFactory pointer.